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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:
Annual
U.S. Nonassociated Natural Gas, Wet After Lease Separation, Proved Reserves (Billion Cubic Feet)
Decade
Year-0
Year-1
Year-2
Year-3
Year-4
Year-5
Year-6
Year-7
Year-8
Year-9
1970's
148,910
1980's
144,249
147,888
147,172
147,352
145,346
141,595
141,532
138,239
144,121
142,619
1990's
144,407
143,508
141,885
140,445
141,539
142,679
144,352
143,339
141,783
144,744
2000's
156,677
161,921
166,020
168,593
173,551
185,072
190,776
Updated on 6/27/2008
Source: U.S. Energy Information Administration
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