
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 200,173 | +12% | 96 | < 0.01% | 68.95 | 200,817 | 0.05 | 200,817 |
| 2023 | 0 | — | — | 0 | — | — | — | 178,762 | −21.5% | 95 | < 0.01% | 61.93 | 179,823 | 0.13 | 179,823 |
| 2022 | 0 | — | — | 0 | — | — | — | 227,749 | +19.4% | 96 | < 0.01% | 79.29 | 216,309 | 43.54 | 216,265 |
| 2021 | 0 | — | — | 0 | — | — | — | 190,738 | −11.6% | 99 | < 0.01% | 66.71 | 190,738 | 0 | 190,738 |
| 2020 | 0 | — | — | 0 | — | — | — | 215,649 | +7% | 95 | < 0.01% | 75.63 | 215,649 | 0 | 215,649 |
| 2019 | 0 | — | — | 0 | — | — | — | 201,602 | +7.7% | 98 | < 0.01% | 69.58 | 201,602 | 0 | 201,602 |
| 2018 | 0 | — | — | 0 | — | — | — | 187,181 | +45.4% | 97 | < 0.01% | 62.56 | 187,554 | 0 | 187,554 |
| 2017 | 0 | — | — | 0 | — | — | — | 128,708 | −5.3% | 104 | < 0.01% | 41.79 | 128,708 | 0 | 128,708 |
| 2016 | 0 | — | — | 0 | — | — | — | 135,976 | −23.4% | 102 | < 0.01% | 43.01 | 135,976 | 0 | 135,976 |
| 2015 | 0 | — | — | 0 | — | — | — | 177,470 | −20.9% | 98 | < 0.01% | 54.84 | 177,470 | 0 | 177,470 |
| 2014 | 0 | — | — | 0 | — | — | — | 224,468 | +19.1% | 95 | < 0.01% | 70.73 | 224,468 | 0 | 224,468 |
| 2013 | 0 | — | — | 0 | — | — | — | 188,530 | −27.9% | 97 | < 0.01% | 65.65 | 188,530 | 0 | 188,530 |
| 2012 | 0 | — | — | 0 | — | — | — | 261,615 | −6.7% | 89 | < 0.01% | 99.93 | 261,615 | 0 | 261,615 |
| 2011 | 0 | — | — | 0 | — | — | — | 280,322 | +33.4% | 83 | < 0.01% | 110 | 280,322 | 0 | 280,322 |
| 2010 | 0 | — | — | 0 | — | — | — | 210,166 | +60.8% | 86 | < 0.01% | 83.38 | 210,166 | 0 | 210,166 |
| 2009 | 0 | — | — | 0 | — | — | — | 130,687 | +42.7% | 93 | < 0.01% | 52.36 | 130,687 | 0 | 130,687 |
| 2008 | 0 | — | — | 0 | — | — | — | 91,612 | +3.8% | 99 | < 0.01% | 37.2 | 91,612 | 0 | 91,612 |
| 2007 | — | — | — | 0 | — | — | — | 88,263 | +3.9% | 93 | < 0.01% | 36.44 | 88,263 | 0 | 88,263 |
| 2006 | — | — | — | 0 | — | — | — | 84,914 | −1.5% | 91 | < 0.01% | 35.74 | 84,914 | 0 | 84,914 |
| 2005 | — | — | — | 0 | — | — | — | 86,182 | −1.5% | 88 | < 0.01% | 36.9 | 86,182 | 0 | 86,182 |
| 2004 | — | — | — | 0 | — | — | — | 87,451 | +18.4% | 88 | < 0.01% | 38.03 | 87,451 | 0 | 87,451 |
| 2003 | — | — | — | 0 | — | — | — | 73,836 | −49.8% | 88 | < 0.01% | 32.63 | 73,836 | 0 | 73,836 |
| 2002 | — | — | — | 0 | — | — | — | 147,149 | −4.8% | 82 | < 0.01% | 65.93 | 147,149 | 0 | 147,149 |
| 2001 | — | — | — | 0 | — | — | — | 154,590 | −4.6% | 78 | < 0.01% | 70.24 | 154,590 | 0 | 154,590 |
| 2000 | — | — | — | 0 | — | — | — | 162,030 | −17.3% | 76 | < 0.01% | 74.85 | 162,030 | 0 | 162,030 |
| 1999 | — | — | — | 0 | — | — | — | 195,931 | −7.7% | 68 | < 0.01% | 92.09 | 195,931 | 0 | 195,931 |
| 1998 | — | — | — | 0 | — | — | — | 212,195 | −15.2% | 69 | < 0.01% | 101.5 | 212,195 | 0 | 212,195 |
| 1997 | — | — | — | 0 | — | — | — | 250,224 | +2.3% | 67 | 0.01% | 121.8 | 250,224 | 0 | 250,224 |
| 1996 | — | — | — | 0 | — | — | — | 244,713 | +20% | 68 | < 0.01% | 121.3 | 244,713 | 0 | 244,713 |
| 1995 | — | — | — | 0 | — | — | — | 203,927 | +65.2% | 72 | < 0.01% | 103 | 203,927 | 0 | 203,927 |
| 1994 | — | — | — | 0 | — | — | — | 123,459 | +0.9% | 81 | < 0.01% | 63.48 | 123,459 | 0 | 123,459 |
| 1993 | — | — | — | 0 | — | — | — | 122,356 | — | 83 | < 0.01% | 64.05 | 122,356 | 0 | 122,356 |
| 1992 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1991 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 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 |