Fossil fuel | Production (P) | Reserve (R1) | R1/P (years) | Resources (R2) | R2/P (years) |
Crude oil | 4348 | 224,017 | 52 | 457,890 | 105 |
Wet natural gas | 3160 | 174,293 | 55 | 583,152 | 1845 |
Coal | 4784 | 597,382 | 125 | 13,394,221 | 2799 |
Hard coal | 4427 | 503,063 | 114 | 11,915,785 | 2691 |
Lignite | 357 | 94,319 | 264 | 1,478,436 | 412 |