
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 41,888 | −63.6% | 110 | < 0.01% | 29.51 | 41,888 | 0 | 41,888 |
| 2023 | 0 | — | — | 0 | — | — | — | 115,213 | +60.8% | 104 | < 0.01% | 81.14 | 115,217 | 0 | 115,217 |
| 2022 | 0 | — | — | 0 | — | — | — | 71,650 | −32.3% | 108 | < 0.01% | 50.47 | 71,673 | 0 | 71,673 |
| 2021 | 0 | — | — | 0 | — | — | — | 105,822 | +17.5% | 106 | < 0.01% | 74.58 | 106,292 | 0 | 106,292 |
| 2020 | 0 | — | — | 0 | — | — | — | 90,049 | −17.5% | 104 | < 0.01% | 63.62 | 90,049 | 0 | 90,049 |
| 2019 | 0 | — | — | 0 | — | — | — | 109,129 | +55.3% | 106 | < 0.01% | 77.31 | 105,307 | 0 | 105,307 |
| 2018 | 0 | — | — | 0 | — | — | — | 70,250 | +7.6% | 108 | < 0.01% | 49.82 | 72,772 | 0 | 72,772 |
| 2017 | 0 | — | — | 0 | — | — | — | 65,293 | −18.9% | 110 | < 0.01% | 46.38 | 67,637 | 0 | 67,637 |
| 2016 | 0 | — | — | 0 | — | — | — | 80,469 | −24.7% | 109 | < 0.01% | 57.27 | 72,957 | 0 | 72,957 |
| 2015 | 0 | — | — | 0 | — | — | — | 106,924 | +2.8% | 105 | < 0.01% | 76.31 | 89,257 | 0 | 89,257 |
| 2014 | 0 | — | — | 0 | — | — | — | 104,058 | +5.6% | 106 | < 0.01% | 74.49 | 103,984 | 0 | 103,984 |
| 2013 | 0 | — | — | 0 | — | — | — | 98,547 | +21.7% | 106 | < 0.01% | 70.8 | 104,717 | 0 | 104,717 |
| 2012 | 0 | — | — | 0 | — | — | — | 80,996 | +31% | 108 | < 0.01% | 58.43 | 103,245 | 0 | 103,245 |
| 2011 | 0 | — | — | 0 | — | — | — | 61,840 | +22% | 108 | < 0.01% | 44.8 | 78,826 | 0 | 78,826 |
| 2010 | 0 | — | — | 0 | — | — | — | 50,706 | −9.8% | 105 | < 0.01% | 36.9 | 43,238 | 0 | 43,238 |
| 2009 | 0 | — | — | 0 | — | — | — | 56,218 | +6.3% | 102 | < 0.01% | 41.08 | 36,376 | 0 | 36,376 |
| 2008 | 0 | — | — | 0 | — | — | — | 52,911 | +33.3% | 102 | < 0.01% | 38.82 | 84,878 | 0 | 84,878 |
| 2007 | — | — | — | 0 | — | — | — | 39,683 | +12.5% | 101 | < 0.01% | 29.25 | 39,683 | 0 | 39,683 |
| 2006 | — | — | — | 0 | — | — | — | 35,274 | −45.8% | 98 | < 0.01% | 26.12 | 30,865 | 0 | 30,865 |
| 2005 | — | — | — | 0 | — | — | — | 65,036 | −10.6% | 90 | < 0.01% | 48.41 | 66,139 | 0 | 66,139 |
| 2004 | — | — | — | 0 | — | — | — | 72,752 | −22.4% | 91 | < 0.01% | 54.45 | 72,752 | 0 | 72,752 |
| 2003 | — | — | — | 0 | — | — | — | 93,696 | −3.4% | 86 | < 0.01% | 70.54 | 93,696 | 0 | 93,696 |
| 2002 | — | — | — | 0 | — | — | — | 97,003 | +66% | 87 | < 0.01% | 73.47 | 97,003 | 0 | 97,003 |
| 2001 | — | — | — | 0 | — | — | — | 58,422 | −15.2% | 91 | < 0.01% | 44.52 | 58,422 | 0 | 58,422 |
| 2000 | — | — | — | 0 | — | — | — | 68,894 | −13.2% | 91 | < 0.01% | 52.84 | 68,894 | 0 | 68,894 |
| 1999 | — | — | — | 0 | — | — | — | 79,366 | +1.4% | 85 | < 0.01% | 61.29 | 79,366 | 0 | 79,366 |
| 1998 | — | — | — | 0 | — | — | — | 78,264 | +6% | 81 | < 0.01% | 60.91 | 78,264 | 0 | 78,264 |
| 1997 | — | — | — | 0 | — | — | — | 73,855 | +4.7% | 83 | < 0.01% | 57.97 | 73,855 | 0 | 73,855 |
| 1996 | — | — | — | 0 | — | — | — | 70,548 | +16.4% | 85 | < 0.01% | 55.89 | 70,548 | 0 | 70,548 |
| 1995 | — | — | — | 0 | — | — | — | 60,627 | +3.8% | 88 | < 0.01% | 48.5 | 60,627 | 0 | 60,627 |
| 1994 | — | — | — | 0 | — | — | — | 58,422 | −3.6% | 91 | < 0.01% | 47.21 | 58,422 | 0 | 58,422 |
| 1993 | — | — | — | 0 | — | — | — | 60,627 | −16.7% | 89 | < 0.01% | 49.49 | 60,627 | 0 | 60,627 |
| 1992 | — | — | — | 0 | — | — | — | 72,752 | +29.4% | 85 | < 0.01% | 60.01 | 72,752 | 0 | 72,752 |
| 1991 | — | — | — | 0 | — | — | — | 56,218 | −1.9% | 72 | < 0.01% | 46.83 | 56,218 | 0 | 56,218 |
| 1990 | — | — | — | 0 | — | — | — | 57,320 | −7.1% | 72 | < 0.01% | 48.17 | 57,320 | 0 | 57,320 |
| 1989 | — | — | — | 0 | — | — | — | 61,729 | — | 72 | < 0.01% | 52.27 | 61,729 | 0 | 61,729 |
| 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 |