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Energy Glossary
Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
View History:
Monthly
Annual
U.S. Percent Total Imported by API Gravity of Crude Gravity 25.1 to 30.0 percent (%)
Decade
Year-0
Year-1
Year-2
Year-3
Year-4
Year-5
Year-6
Year-7
Year-8
Year-9
1970's
7.93
8.45
1980's
9.25
9.46
11.72
15.14
11.59
11.19
14.12
16.88
15.99
16.80
1990's
18.13
20.79
22.41
19.24
18.46
17.04
14.69
13.33
13.99
14.18
2000's
13.41
11.60
11.44
9.97
8.18
10.20
11.18
11.23
Updated on 6/30/2008
Source: U.S. Energy Information Administration
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