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| Kansas 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 | 349 | 303 | 377 | |||||||
| 1980's | 310 | 371 | 378 | 344 | 377 | 423 | 312 | 357 | 327 | 338 |
| 1990's | 321 | 300 | 310 | 271 | 260 | 275 | 266 | 238 | 246 | 175 |
| 2000's | 237 | 216 | 237 | 243 | 245 | 281 | 263 | 206 | 243 | 259 |
| 2010's | 295 |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 8/2/2012 |
| Next Release Date: 8/30/2013 |