
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 141,978 | −15.5% | 100 | < 0.01% | 99.32 | 144,733 | 90,569 | 54,165 |
| 2023 | 0 | — | — | 0 | — | — | — | 168,102 | −38.5% | 98 | < 0.01% | 117.8 | 148,481 | 85,895 | 62,586 |
| 2022 | 0 | — | — | 0 | — | — | — | 273,263 | +10.1% | 94 | < 0.01% | 194 | 530,700 | 169,806 | 360,894 |
| 2021 | 0 | — | — | 0 | — | — | — | 248,232 | +10.9% | 93 | < 0.01% | 177.7 | 328,131 | 79,900 | 248,232 |
| 2020 | 0 | — | — | 0 | — | — | — | 223,769 | −22.7% | 94 | < 0.01% | 160.1 | 277,979 | 82,256 | 195,723 |
| 2019 | 0 | — | — | 0 | — | — | — | 289,577 | −1.4% | 91 | < 0.01% | 207.2 | 408,722 | 93,475 | 315,247 |
| 2018 | 0 | — | — | 0 | — | — | — | 293,766 | +5.5% | 93 | < 0.01% | 209.6 | 404,872 | 112,563 | 292,309 |
| 2017 | 0 | — | — | 0 | — | — | — | 278,444 | +2.2% | 91 | < 0.01% | 196.8 | 386,771 | 83,143 | 303,627 |
| 2016 | 0 | — | — | 0 | — | — | — | 272,414 | −1.9% | 92 | < 0.01% | 189.9 | 287,844 | 41,643 | 246,201 |
| 2015 | 0 | — | — | 0 | — | — | — | 277,580 | −18.9% | 90 | < 0.01% | 191.1 | 250,224 | 44,962 | 205,262 |
| 2014 | 0 | — | — | 0 | — | — | — | 342,316 | −13% | 87 | < 0.01% | 233.4 | 331,795 | 37,063 | 294,732 |
| 2013 | 0 | — | — | 0 | — | — | — | 393,635 | +14.1% | 83 | < 0.01% | 266.1 | 464,429 | 37,431 | 426,998 |
| 2012 | 0 | — | — | 0 | — | — | — | 345,023 | −6% | 82 | < 0.01% | 230.9 | 352,740 | 23,061 | 329,678 |
| 2011 | 0 | — | — | 0 | — | — | — | 367,069 | +11% | 78 | < 0.01% | 242.4 | 436,515 | 31,164 | 405,352 |
| 2010 | 0 | — | — | 0 | — | — | — | 330,693 | +24% | 76 | < 0.01% | 213.5 | 352,740 | 35,553 | 317,187 |
| 2009 | 0 | — | — | 0 | — | — | — | 266,759 | −25.3% | 78 | < 0.01% | 168.7 | 236,997 | 12,032 | 224,965 |
| 2008 | 0 | — | — | 0 | — | — | — | 357,148 | −14.5% | 74 | < 0.01% | 223.3 | 421,414 | 9,038.9 | 412,375 |
| 2007 | — | — | — | 0 | — | — | — | 417,775 | −5% | 72 | 0.01% | 258.6 | 399,147 | 6,037.4 | 393,110 |
| 2006 | — | — | — | 0 | — | — | — | 439,822 | +39% | 70 | 0.01% | 269 | 437,618 | 5,339.9 | 432,278 |
| 2005 | — | — | — | 0 | — | — | — | 316,363 | +8.7% | 71 | < 0.01% | 190.5 | 326,284 | 803 | 325,481 |
| 2004 | — | — | — | 0 | — | — | — | 291,010 | −2.6% | 72 | < 0.01% | 172.4 | 292,113 | 86.26 | 292,026 |
| 2003 | — | — | — | 0 | — | — | — | 298,726 | +28.4% | 72 | 0.01% | 174.9 | 325,182 | 3.86 | 325,178 |
| 2002 | — | — | — | 0 | — | — | — | 232,587 | +80.3% | 75 | < 0.01% | 135.1 | 245,815 | 0.03 | 245,815 |
| 2001 | — | — | — | 0 | — | — | — | 128,970 | −10.7% | 82 | < 0.01% | 74.27 | 117,947 | 0 | 117,947 |
| 2000 | — | — | — | 0 | — | — | — | 144,403 | −26.4% | 78 | < 0.01% | 82.51 | 144,403 | 0 | 144,403 |
| 1999 | — | — | — | 0 | — | — | — | 196,211 | −19.8% | 67 | < 0.01% | 111.4 | 159,835 | 0 | 159,835 |
| 1998 | — | — | — | 0 | — | — | — | 244,713 | −15.3% | 67 | < 0.01% | 138 | 257,941 | 0 | 257,941 |
| 1997 | — | — | — | 0 | — | — | — | 288,805 | −22.5% | 66 | 0.01% | 161.6 | 288,806 | 0 | 288,806 |
| 1996 | — | — | — | 0 | — | — | — | 372,581 | −9.1% | 63 | 0.01% | 207 | 456,357 | 0 | 456,357 |
| 1995 | — | — | — | 0 | — | — | — | 410,059 | −27.6% | 64 | 0.01% | 226.1 | 285,499 | 0 | 285,499 |
| 1994 | — | — | — | 0 | — | — | — | 566,300 | −6.2% | 64 | 0.01% | 309.9 | 566,588 | 0 | 566,588 |
| 1993 | — | — | — | 0 | — | — | — | 603,979 | −7.9% | 64 | 0.01% | 328.2 | 601,418 | 0 | 601,418 |
| 1992 | — | — | — | 0 | — | — | — | 655,469 | — | 62 | 0.01% | 354.5 | 655,469 | 0 | 655,469 |