National Host & Principal Center Access…

                             National Host & Principal Center Access statistics
          HOST                                                                                                          TOTAL
                      JAN       FEB     MAR     APR     MAY     JUN     JUL     AUG     SEP     OCT     NOV     DEC     1999
          Spain       16(3)     14(3)   26(3)   23(3)   19(4)   18(2)   19(3)   23(4)   25(3)   25(2)   27(2)   26(3)   175(7)
          Austria     ---       ---     ---     ---     ---     ---     ---     ---     ---     ---     ---     ---     ---
          Belgium     ---       ---     --      ---     ---     ---     ---     ---     ---     ---     ---     3       3
          Canada      ---       ---     ---     ---     ---     ---     ---     ---     ---     ---     ---     1       1
          Israel      ---       ---     ---     ---     ---     ---     ---     ---     ---     ---     ---     5       5
          Italy       3         4       2       2       2       3       1       5       5       ---     3       4       26
NODES     Japan       2         1       ---     3       1       2       ---     ---     7       ---     ---     6       21
          Poland      ---       ---     ---     ---     ---     ---     ---     ---     ---     ---     ---     5       5
          Russia      ---       2       1       ---     1       ---     ---     ---     1       ---     5       ---     8
          UK          3         5       ---     ---     1       1       1       ---     4       9       ---     ---     17
          USA         5         4       ---     ---     3       2       5       3       6       2       2       4       24
TOTAL                                                                                                                   285

          P. Center   102       403     356     519     850     655     843     455     433     310     407     203     5536
                      (54)      (93)    (102)   (45)    (54)    (236)   (434)   (259)   (145)   (162)   (316)   (98)
                                                                                                                        (1998)
          Spain       97        167     218     160     135     91      317     48      221     533     142     83      2212
                      (57)      (30)    (17)    (87)    (56)    (20)    (9)     (5)     (56)    (68)    (20)    (29)
                                                                                                                        (454)
          Austria     ---       ---     ---     ---     ---     ---     ---     ---     ---     ---     ---     ---     ---
          Belgium     ---       ---     ---     ---     ---     ---     ---     ---     ---     ---     ---     4       4
          Canada      ---       ---     ---     ---     ---     ---     ---     ---     ---     ---     ---     3       3
          Israel      ---       ---     ---     ---     ---     ---     ---     ---     ---     ---     ---     15      15
          Italy       50        27      2       7       2       7       1       28      23      ---     11      5       163
QUERIES   Japan       3         1       ---     5       1       5       ---     ---     7       ---     ---     9       31
          Poland      ---       ---     ---     ---     ---     ---     ---     ---     ---     ---     ---     10      10
          Russia      ---       3       2       ---     1       ---     ---     ---     2       ---     124     ---     132
          UK          95        139     ---     ---     1       6       2       ---     12      48      ---     ---     303
          USA         7         19      ---     ---     3       16      26      6       24      2       5       29      137
TOTAL                                                                                                                   8546
                P. Center      501      2904      2497      972      3427      3967      14504     1918      4409      7965     6387      3685      53136
                               (54)     (156)     (387)     (51)     (58)      (972)     (1329)    (927)     (689)     (558)    (1723)    (466)
                                                                                                                                                    (7370)
                Spain          492      281       494       2360     784       1609      2235      726       2724      5452     985       765       18907
                               (57)     (32)      (45)      (1426)   (232)     (1164)    (58)      (58)      (639)     (1109)   (129)     (542)
                                                                                                                                                    (5491)
                Austria        ---      ---       ---       ---      ---       ---       ---       ---       ---       ---      ---       ---       ---
                Belgium        ---      ---       ---       ---      ---       ---       ---       ---       ---       ---      ---       5         5
                Canada         ---      ---       ---       ---      ---       ---       ---       ---       ---       ---      ---       3         3
                Israel         ---      ---       ---       ---      ---       ---       ---       ---       ---       ---      ---       54        54
                Italy          4442     1085      8         57       3         10        10        39        571       ---      55        56        6336
FILES           Japan          3        1         ---       5        1         10        ---       ---       16        ---      ---       48        84
                Poland         ---      ---       ---       ---      ---       ---       ---       ---       ---       ---      ---       90        90
                Russia         ---      3         2         ---      1         ---       ---       ---       2         ---      239       ---       247
                UK             146      278       ---       ---      1         6         2         ---       32        218      ---       ---       683
                USA            27       94        ---       ---      8         139       166       91        1831      20       55        35        2466
TOTAL                                                                                                                                               82011

                P. Center      70.0     930.8     1282.2    261.7    627.9     932.0     1273.4    486.4     428.5     475.5    721.3     435.8     7925.7
                               (21.4)   (47.3)    (106.7)   (14.8)   (15.5)    (287.1)   (373.8)   (246.7)   (195.7)   (70.0)   (476.6)   (105.7)
                                                                                                                                                    (1961.4)
                Spain          8.4      4.8       8.5       40.6     13.7      27.8      39.2      12.6      46.9      94.4     17.0      13.2      327.1
                               (0.9)    (0.6)     (0.7)     (24.6)   (4.0)     (20.1)    (1.0)     (1.0)     (11.1)    (19.1)   (2.25)    (9.3)
                                                                                                                                                    (94.6)
                Austria        ---      ---       ---       ---      ---       ---       ---       ---       ---       ---      ---       ---       ---
                Belgium        ---      ---       ---       ---      ---       ---       ---       ---       ---       ---      ---       0.09      0.09
                Canada         ---      ---       ---       ---      ---       ---       ---       ---       ---       ---      ---       0.05      0.05
                Israel         ---      ---       ---       ---      ---       ---       ---       ---       ---       ---      ---       0.9       0.9
                Italy          76.6     18.4      0.1       1.0      0.05      0.2       0.2       0.7       9.79      ---      0.9       1.0       109.0
Mbytes          Japan          0.05     0.02      ---       0.09     0.02      0.2       ---       ---       0.3       ---      ---       0.8       1.4
                Poland         ---      ---       ---       ---      ---       ---       ---       ---       ---       ---      ---       1.6       1.6
                Russia         ---      0.05      0.04      ---      0.02      ---       ---       ---       0.03      ---      4.12      ---       4.2
                UK             2.5      4.8       ---       ---      0.02      0.1       0.04      ---       0.6       3.8      ---       ---       11.9
                USA            0.5      1.7       ---       ---      0.13      2.4       2.8       1.55      31.2      0.3      0.9       0.6       42.2
TOTAL                                                                                                                                               8424.1

  ·      For the Principal Center, the number in parentheses refers to the data retrieved from the National Hosts
  ·      For Spain, the number in parentheses refers to the internal (VILSPA & LAEFF ) accesses
  ·      Files retrieved from the Principal Center: NEWSIPS (.SILO, .MXLO, .MXHI) and
         INES files (concatenated High dispersion spectra)
  ·      Files retrieved from the National Hosts: INES files (Low dispersion and High dispersion rebinned spectra)