
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 126,931 | −11.2% | 101 | < 0.01% | 645.3 | 126,931 | 0 | 126,931 |
| 2023 | 0 | — | — | 0 | — | — | — | 142,922 | −25.3% | 101 | < 0.01% | 737.6 | 108,584 | 0 | 108,584 |
| 2022 | 0 | — | — | 0 | — | — | — | 191,271 | +27% | 98 | < 0.01% | 1,005.7 | 109,857 | 0.0044 | 109,857 |
| 2021 | 0 | — | — | 0 | — | — | — | 150,663 | +11.1% | 102 | < 0.01% | 808.6 | 197,495 | 0 | 197,495 |
| 2020 | 0 | — | — | 0 | — | — | — | 135,635 | −13.6% | 102 | < 0.01% | 739.9 | 135,635 | 0 | 135,635 |
| 2019 | 0 | — | — | 0 | — | — | — | 156,926 | −1.3% | 101 | < 0.01% | 870.1 | 164,902 | 0 | 164,902 |
| 2018 | 0 | — | — | 0 | — | — | — | 159,072 | +18.3% | 99 | < 0.01% | 901.6 | 163,768 | 0 | 163,768 |
| 2017 | 0 | — | — | 0 | — | — | — | 134,482 | −1.6% | 101 | < 0.01% | 782.9 | 140,246 | 0 | 140,246 |
| 2016 | 0 | — | — | 0 | — | — | — | 136,686 | +6.9% | 101 | < 0.01% | 814.6 | 137,781 | 0 | 137,781 |
| 2015 | 0 | — | — | 0 | — | — | — | 127,868 | +15.9% | 101 | < 0.01% | 772.7 | 128,297 | 0 | 128,297 |
| 2014 | 0 | — | — | 0 | — | — | — | 110,343 | −16.6% | 104 | < 0.01% | 673.8 | 110,343 | 0 | 110,343 |
| 2013 | 0 | — | — | 0 | — | — | — | 132,277 | +15.4% | 100 | < 0.01% | 816.8 | 137,913 | 0 | 137,913 |
| 2012 | 0 | — | — | 0 | — | — | — | 114,636 | −0.96% | 102 | < 0.01% | 714.6 | 114,636 | 0 | 114,636 |
| 2011 | 0 | — | — | 0 | — | — | — | 115,743 | −0.94% | 98 | < 0.01% | 725.3 | 121,833 | 0 | 121,833 |
| 2010 | 0 | — | — | 0 | — | — | — | 116,845 | +8.2% | 95 | < 0.01% | 734.5 | 115,460 | 0 | 115,460 |
| 2009 | 0 | — | — | 0 | — | — | — | 108,026 | −10.1% | 96 | < 0.01% | 678.1 | 125,670 | 0 | 125,670 |
| 2008 | 0 | — | — | 0 | — | — | — | 120,152 | −9.9% | 95 | < 0.01% | 756.8 | 108,239 | 0 | 108,239 |
| 2007 | — | — | — | 0 | — | — | — | 133,380 | +12% | 86 | < 0.01% | 856 | 153,853 | 0 | 153,853 |
| 2006 | — | — | — | 0 | — | — | — | 119,049 | −7.7% | 87 | < 0.01% | 783.5 | 119,049 | 0 | 119,049 |
| 2005 | — | — | — | 0 | — | — | — | 128,970 | +12.5% | 85 | < 0.01% | 869 | 128,951 | 0 | 128,951 |
| 2004 | — | — | — | 0 | — | — | — | 114,640 | +22.4% | 84 | < 0.01% | 784.8 | 114,640 | 0 | 114,640 |
| 2003 | — | — | — | 0 | — | — | — | 93,696 | −13.3% | 85 | < 0.01% | 647.1 | 93,696 | 0 | 93,696 |
| 2002 | — | — | — | 0 | — | — | — | 108,026 | +0% | 86 | < 0.01% | 751.2 | 108,026 | 0 | 108,026 |
| 2001 | — | — | — | 0 | — | — | — | 108,026 | −3% | 84 | < 0.01% | 757.9 | 108,026 | 0 | 108,026 |
| 2000 | — | — | — | 0 | — | — | — | 111,333 | +68.3% | 82 | < 0.01% | 791.6 | 111,333 | 0 | 111,333 |
| 1999 | — | — | — | 0 | — | — | — | 66,139 | −14.3% | 89 | < 0.01% | 476.8 | 66,139 | 0 | 66,139 |
| 1998 | — | — | — | 0 | — | — | — | 77,162 | +20.7% | 84 | < 0.01% | 563 | 77,162 | 0 | 77,162 |
| 1997 | — | — | — | 0 | — | — | — | 63,934 | −12.1% | 85 | < 0.01% | 471.5 | 63,934 | 0 | 63,934 |
| 1996 | — | — | — | 0 | — | — | — | 72,752 | +1.5% | 84 | < 0.01% | 541 | 72,752 | 0 | 72,752 |
| 1995 | — | — | — | 0 | — | — | — | 71,650 | −8.5% | 83 | < 0.01% | 535.7 | 71,650 | 0 | 71,650 |
| 1994 | — | — | — | 0 | — | — | — | 78,264 | +34% | 86 | < 0.01% | 588.3 | 78,264 | 0 | 78,264 |
| 1993 | — | — | — | 0 | — | — | — | 58,422 | +6% | 91 | < 0.01% | 443 | 58,422 | 0 | 58,422 |
| 1992 | — | — | — | 0 | — | — | — | 55,116 | −16.7% | 88 | < 0.01% | 422.2 | 55,116 | 0 | 55,116 |
| 1991 | — | — | — | 0 | — | — | — | 66,139 | −7.7% | 69 | < 0.01% | 513.1 | 66,139 | 0 | 66,139 |
| 1990 | — | — | — | 0 | — | — | — | 71,650 | −8.5% | 69 | < 0.01% | 562.3 | 71,650 | 0 | 71,650 |
| 1989 | — | — | — | 0 | — | — | — | 78,264 | +6% | 68 | < 0.01% | 619.1 | 78,264 | 0 | 78,264 |
| 1988 | — | — | — | 0 | — | — | — | 73,855 | +11.7% | 68 | < 0.01% | 591.5 | 73,855 | 0 | 73,855 |
| 1987 | — | — | — | 0 | — | — | — | 66,139 | −18.9% | 71 | < 0.01% | 538 | 66,139 | 0 | 66,139 |
| 1986 | — | — | — | 0 | — | — | — | 81,571 | +7.2% | 68 | < 0.01% | 670.9 | 81,571 | 0 | 81,571 |
| 1985 | — | — | — | 0 | — | — | — | 76,059 | +25.5% | 68 | < 0.01% | 630.1 | 76,059 | 0 | 76,059 |
| 1984 | — | — | — | 0 | — | — | — | 60,627 | +48.6% | 71 | < 0.01% | 506.3 | 60,627 | 0 | 60,627 |
| 1983 | — | — | — | 0 | — | — | — | 40,785 | +48% | 70 | < 0.01% | 344.2 | 40,785 | 0 | 40,785 |
| 1982 | — | — | — | 0 | — | — | — | 27,558 | +4.2% | 71 | < 0.01% | 235.7 | 27,558 | 0 | 27,558 |
| 1981 | — | — | — | 0 | — | — | — | 26,455 | +100% | 70 | < 0.01% | 229.3 | 26,455 | 0 | 26,455 |
| 1980 | — | — | — | 0 | — | — | — | 13,228 | — | 70 | < 0.01% | 116 | 13,228 | 0 | 13,228 |