


Figure 1.4a Energy Imports and Exports
(Quadrillion Btu)
Total Imports and Exports, 1973-2007 Total Imports and Exports, Monthly
40 4
Imports
30 3
Imports
20 2
10 1
Exports Exports
0 0
1975 1980 1985 1990 1995 2000 2005 J F MA M J J A S O N D J F MA M J J A S O N D J F MA M J J A S O N D
2006 2 007 2008
Imports by Source, 1973-2007 Imports by Source, Monthly
32 3.2
Petroleum
24 2.4
Petroleum
16 1.6
8 0.8
Natural Gas
Natural Gas
Othera Othera
0 0.0
1975 1980 1985 1990 1995 2000 2005 J F MA M J J A S O ND J F MA M J J A S O N D J F MA M J J A S O ND
2006 2 007 2008
Exports by Source, 1973-2007 Exports by Source, Monthly
4 0.4
Petroleum
3 0.3
Coalb
2 0.2
Coalb
Petroleum
1 0.1
Natural Gas Natural Gas
Electricity Electricity
0 0.0
1975 1980 1985 1990 1995 2000 2005 J F MA M J J A S O N D J F MA M J J A S O N D J F MA M J J A S O N D
2006 2007 2008
a
Coal, coal coke, fuel ethanol, and electricity. Web Page: http://www.eia.doe.gov/emeu/mer/overview.html.
b
Includes coal coke. Sources: Tables 1.4a and 1.4b.
Note: Because vertical scales differ, graphs should not be compared.
8 Energy Information Administration/Monthly Energy Review August 2008