
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 145,051 | +138.1% | 99 | < 0.01% | 8.54 | 145,543 | 491.9 | 145,051 |
| 2023 | 0 | — | — | 0 | — | — | — | 60,916 | −53.7% | 109 | < 0.01% | 3.66 | 148,895 | 564.8 | 148,331 |
| 2022 | 0 | — | — | 0 | — | — | — | 131,553 | +57.8% | 104 | < 0.01% | 8.18 | 131,694 | 141.5 | 131,553 |
| 2021 | 0 | — | — | 0 | — | — | — | 83,378 | +4.2% | 107 | < 0.01% | 5.32 | 83,931 | 553.6 | 83,378 |
| 2020 | 0 | — | — | 0 | — | — | — | 80,031 | −36.5% | 106 | < 0.01% | 5.16 | 80,311 | 279.4 | 80,031 |
| 2019 | 0 | — | — | 0 | — | — | — | 126,004 | +27.7% | 104 | < 0.01% | 8.27 | 126,021 | 17.11 | 126,004 |
| 2018 | 0 | — | — | 0 | — | — | — | 98,676 | −22.5% | 105 | < 0.01% | 6.5 | 99,013 | 337.3 | 98,676 |
| 2017 | 0 | — | — | 0 | — | — | — | 127,325 | +3.7% | 105 | < 0.01% | 8.27 | 127,797 | 472.9 | 127,325 |
| 2016 | 0 | — | — | 0 | — | — | — | 122,775 | +8.5% | 103 | < 0.01% | 7.99 | 123,384 | 608.5 | 122,775 |
| 2015 | 0 | — | — | 0 | — | — | — | 113,146 | −3.4% | 104 | < 0.01% | 7.55 | 113,701 | 555.6 | 113,146 |
| 2014 | 0 | — | — | 0 | — | — | — | 117,154 | +8.6% | 102 | < 0.01% | 8.08 | 117,749 | 595.2 | 117,154 |
| 2013 | 0 | — | — | 0 | — | — | — | 107,864 | +23.9% | 102 | < 0.01% | 7.7 | 108,396 | 531.3 | 107,864 |
| 2012 | 0 | — | — | 0 | — | — | — | 87,073 | +13.3% | 107 | < 0.01% | 6.43 | 87,540 | 467.4 | 87,073 |
| 2011 | 0 | — | — | 0 | — | — | — | 76,860 | +0.02% | 107 | < 0.01% | 5.89 | 77,131 | 271.1 | 76,860 |
| 2010 | 0 | — | — | 0 | — | — | — | 76,843 | +152.4% | 101 | < 0.01% | 6.11 | 77,111 | 267.9 | 76,843 |
| 2009 | 0 | — | — | 0 | — | — | — | 30,442 | −37.8% | 106 | < 0.01% | 2.51 | 30,676 | 233.7 | 30,442 |
| 2008 | 0 | — | — | 0 | — | — | — | 48,957 | +97.7% | 104 | < 0.01% | 4.2 | 49,177 | 220.5 | 48,957 |
| 2007 | — | — | — | 0 | — | — | — | 24,759 | +44% | 103 | < 0.01% | 2.21 | 24,942 | 183 | 24,759 |
| 2006 | — | — | — | 0 | — | — | — | 17,194 | −46% | 103 | < 0.01% | 1.6 | 17,273 | 79.37 | 17,194 |
| 2005 | — | — | — | 0 | — | — | — | 31,812 | +95.8% | 97 | < 0.01% | 3.09 | 31,867 | 55.12 | 31,812 |
| 2004 | — | — | — | 0 | — | — | — | 16,246 | +25.3% | 100 | < 0.01% | 1.65 | 16,298 | 51.81 | 16,246 |
| 2003 | — | — | — | 0 | — | — | — | 12,962 | +1.3% | 103 | < 0.01% | 1.38 | 12,994 | 32.28 | 12,962 |
| 2002 | — | — | — | 0 | — | — | — | 12,800 | +454.3% | 100 | < 0.01% | 1.43 | 12,830 | 29.32 | 12,800 |
| 2001 | — | — | — | 0 | — | — | — | 2,309.1 | +260.8% | 105 | < 0.01% | 0.27 | 2,354.5 | 45.42 | 2,309.1 |
| 2000 | — | — | — | 0 | — | — | — | 640 | −97.6% | 109 | < 0.01% | 0.08 | 730.8 | 90.84 | 640 |
| 1999 | — | — | — | 0 | — | — | — | 26,781 | −20.9% | 94 | < 0.01% | 3.46 | 26,963 | 181.7 | 26,781 |
| 1998 | — | — | — | 0 | — | — | — | 33,876 | +23.6% | 93 | < 0.01% | 4.54 | 34,005 | 129 | 33,876 |
| 1997 | — | — | — | 0 | — | — | — | 27,411 | +30.9% | 92 | < 0.01% | 3.81 | 27,545 | 134.1 | 27,411 |
| 1996 | — | — | — | 0 | — | — | — | 20,945 | −6.6% | 96 | < 0.01% | 3.03 | 21,085 | 139.3 | 20,945 |
| 1995 | — | — | — | 0 | — | — | — | 22,420 | −26.6% | 101 | < 0.01% | 3.37 | 22,501 | 80.37 | 22,420 |
| 1994 | — | — | — | 0 | — | — | — | 30,555 | +30.8% | 96 | < 0.01% | 4.79 | 30,577 | 21.47 | 30,555 |
| 1993 | — | — | — | 0 | — | — | — | 23,366 | +648.7% | 101 | < 0.01% | 3.83 | 23,478 | 111.6 | 23,366 |
| 1992 | — | — | — | 0 | — | — | — | 3,120.8 | −71.4% | 106 | < 0.01% | 0.53 | 3,322.5 | 201.7 | 3,120.8 |
| 1991 | — | — | — | 0 | — | — | — | 10,927 | — | 85 | < 0.01% | 1.96 | 11,691 | 763.5 | 10,927 |
| 1990 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1989 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1988 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1987 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1986 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1985 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1984 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1983 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1982 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1981 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1980 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |