
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 16,159 | −25.2% | 121 | < 0.01% | 17.26 | 37,927 | 1,884.4 | 36,043 |
| 2023 | 0 | — | — | 0 | — | — | — | 21,615 | −1.3% | 117 | < 0.01% | 22.97 | 42,746 | 13,025 | 29,721 |
| 2022 | 0 | — | — | 0 | — | — | — | 21,898 | −31.3% | 121 | < 0.01% | 23.28 | 161,329 | 60,708 | 100,621 |
| 2021 | 0 | — | — | 0 | — | — | — | 31,856 | −26.4% | 117 | < 0.01% | 33.79 | 40,630 | 8,773.7 | 31,856 |
| 2020 | 0 | — | — | 0 | — | — | — | 43,304 | −41.8% | 113 | < 0.01% | 45.56 | 43,733 | 3,170.4 | 40,563 |
| 2019 | 0 | — | — | 0 | — | — | — | 74,373 | −13.7% | 109 | < 0.01% | 77.7 | 87,469 | 5,607.5 | 81,861 |
| 2018 | 0 | — | — | 0 | — | — | — | 86,148 | +19.6% | 107 | < 0.01% | 89.38 | 89,733 | 11,436 | 78,297 |
| 2017 | 0 | — | — | 0 | — | — | — | 72,052 | +6.2% | 109 | < 0.01% | 74.18 | 79,650 | 9,968.9 | 69,681 |
| 2016 | 0 | — | — | 0 | — | — | — | 67,861 | −24% | 111 | < 0.01% | 69.25 | 77,853 | 9,991.2 | 67,861 |
| 2015 | 0 | — | — | 0 | — | — | — | 89,287 | −20.6% | 108 | < 0.01% | 90.29 | 78,264 | 15,436 | 62,828 |
| 2014 | 0 | — | — | 0 | — | — | — | 112,436 | −15.7% | 103 | < 0.01% | 112.8 | 93,696 | 11,049 | 82,648 |
| 2013 | 0 | — | — | 0 | — | — | — | 133,380 | −12.9% | 99 | < 0.01% | 132.5 | 131,175 | 13,728 | 117,447 |
| 2012 | 0 | — | — | 0 | — | — | — | 153,221 | −19.2% | 97 | < 0.01% | 150.6 | 157,375 | 4,213.3 | 153,161 |
| 2011 | 0 | — | — | 0 | — | — | — | 189,597 | +3% | 90 | < 0.01% | 184.1 | 219,201 | 3,492.5 | 215,708 |
| 2010 | 0 | — | — | 0 | — | — | — | 184,086 | +28.5% | 89 | < 0.01% | 175.5 | 199,901 | 3,034.1 | 196,866 |
| 2009 | 0 | — | — | 0 | — | — | — | 143,300 | −19.8% | 92 | < 0.01% | 133.8 | 150,218 | 184.6 | 150,034 |
| 2008 | 0 | — | — | 0 | — | — | — | 178,574 | +0% | 87 | < 0.01% | 164 | 187,033 | 3,463.8 | 183,570 |
| 2007 | — | — | — | 0 | — | — | — | 178,574 | +24.6% | 83 | < 0.01% | 162.3 | 169,542 | 2,306.1 | 167,236 |
| 2006 | — | — | — | 0 | — | — | — | 143,300 | +8.3% | 84 | < 0.01% | 129.2 | 176,370 | 1,148.4 | 175,221 |
| 2005 | — | — | — | 0 | — | — | — | 132,277 | +22.4% | 84 | < 0.01% | 118.1 | 127,868 | 1.98 | 127,866 |
| 2004 | — | — | — | 0 | — | — | — | 108,026 | −3% | 85 | < 0.01% | 95.42 | 104,720 | 3.09 | 104,717 |
| 2003 | — | — | — | 0 | — | — | — | 111,333 | −0.98% | 83 | < 0.01% | 97.28 | 136,687 | 0.99 | 136,686 |
| 2002 | — | — | — | 0 | — | — | — | 112,436 | −19.7% | 85 | < 0.01% | 97.29 | 112,436 | 36.27 | 112,400 |
| 2001 | — | — | — | 0 | — | — | — | 139,993 | +30.9% | 81 | < 0.01% | 119.7 | 95,901 | 36.27 | 95,865 |
| 2000 | — | — | — | 0 | — | — | — | 106,924 | −23% | 83 | < 0.01% | 90.3 | 88,185 | 69.45 | 88,115 |
| 1999 | — | — | — | 0 | — | — | — | 138,891 | −13.7% | 77 | < 0.01% | 116.2 | 136,687 | 1,430 | 135,257 |
| 1998 | — | — | — | 0 | — | — | — | 160,937 | −32.4% | 75 | < 0.01% | 133.5 | 136,687 | 2,790.5 | 133,896 |
| 1997 | — | — | — | 0 | — | — | — | 238,099 | +3.8% | 69 | < 0.01% | 195.7 | 240,304 | 2,204.6 | 238,099 |
| 1996 | — | — | — | 0 | — | — | — | 229,281 | −11.1% | 69 | < 0.01% | 186.6 | 234,792 | 5,511.6 | 229,281 |
| 1995 | — | — | — | 0 | — | — | — | 257,941 | −9.9% | 68 | 0.01% | 207.5 | 266,759 | 8,818.5 | 257,941 |
| 1994 | — | — | — | 0 | — | — | — | 286,178 | −6.9% | 69 | 0.01% | 227 | 296,540 | 10,362 | 286,178 |
| 1993 | — | — | — | 0 | — | — | — | 307,301 | +11% | 69 | 0.01% | 239.7 | 315,151 | 7,850.7 | 307,301 |
| 1992 | — | — | — | 0 | — | — | — | 276,949 | — | 68 | 0.01% | 211.8 | 296,972 | 20,023 | 276,949 |