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Download Data (XLS File) |
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| Illinois Crude Oil Proved Reserves (Million Barrels) | |||||
| Decade | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970's | 150 | 158 | 136 | |||||||
| 1980's | 113 | 129 | 150 | 135 | 153 | 136 | 135 | 153 | 143 | 123 |
| 1990's | 131 | 128 | 138 | 116 | 117 | 119 | 94 | 92 | 81 | 100 |
| 2000's | 111 | 92 | 107 | 125 | 92 | 95 | 89 | 101 | 54 | 66 |
| 2010's | 64 | 54 | 51 | 42 | 34 | 31 | 36 | 38 | W | W |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 12/30/2022 |
| Next Release Date: 12/29/2023 |