
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 812,716 | −14.5% | 82 | 0.01% | 360 | 813,029 | 0 | 813,029 |
| 2023 | 0 | — | — | 0 | — | — | — | 951,047 | +3.1% | 80 | 0.01% | 426.6 | 951,458 | 0.01 | 951,458 |
| 2022 | 0 | — | — | 0 | — | — | — | 922,633 | −13.7% | 78 | 0.01% | 419.3 | 931,778 | 0.0044 | 931,778 |
| 2021 | 0 | — | — | 0 | — | — | — | 1,069,373 | +0.53% | 76 | 0.01% | 492.2 | 1,069,373 | 0 | 1,069,373 |
| 2020 | 0 | — | — | 0 | — | — | — | 1,063,729 | +21.7% | 76 | 0.01% | 495.5 | 1,267,208 | 0 | 1,267,208 |
| 2019 | 0 | — | — | 0 | — | — | — | 874,102 | +34.8% | 78 | 0.01% | 412.8 | 898,800 | 0 | 898,800 |
| 2018 | 0 | — | — | 0 | — | — | — | 648,637 | +98.7% | 83 | 0.01% | 311.3 | 666,967 | 0 | 666,967 |
| 2017 | 0 | — | — | 0 | — | — | — | 326,402 | −1.3% | 90 | < 0.01% | 159.3 | 397,195 | 0 | 397,195 |
| 2016 | 0 | — | — | 0 | — | — | — | 330,693 | +26.5% | 90 | < 0.01% | 164.2 | 336,706 | 0 | 336,706 |
| 2015 | 0 | — | — | 0 | — | — | — | 261,351 | +1.7% | 91 | < 0.01% | 132 | 357,695 | 0 | 357,695 |
| 2014 | 0 | — | — | 0 | — | — | — | 257,061 | −0.67% | 94 | < 0.01% | 132.1 | 353,944 | 0 | 353,944 |
| 2013 | 0 | — | — | 0 | — | — | — | 258,805 | +9.5% | 92 | < 0.01% | 135.3 | 258,805 | 0 | 258,805 |
| 2012 | 0 | — | — | 0 | — | — | — | 236,412 | −5.5% | 92 | < 0.01% | 125.8 | 275,512 | 0 | 275,512 |
| 2011 | 0 | — | — | 0 | — | — | — | 250,224 | +308.4% | 86 | < 0.01% | 135.5 | 261,247 | 0 | 261,247 |
| 2010 | 0 | — | — | 0 | — | — | — | 61,268 | +13.7% | 104 | < 0.01% | 33.77 | 61,268 | 0 | 61,268 |
| 2009 | 0 | — | — | 0 | — | — | — | 53,888 | +30.8% | 104 | < 0.01% | 30.24 | 54,806 | 0 | 54,806 |
| 2008 | 0 | — | — | 0 | — | — | — | 41,184 | +1454.1% | 106 | < 0.01% | 23.53 | 41,184 | 0 | 41,184 |
| 2007 | — | — | — | 0 | — | — | — | 2,650.1 | −52.7% | 113 | < 0.01% | 1.54 | 2,650.1 | 0 | 2,650.1 |
| 2006 | — | — | — | 0 | — | — | — | 5,602.8 | −28.6% | 108 | < 0.01% | 3.32 | 5,602.8 | 0 | 5,602.8 |
| 2005 | — | — | — | 0 | — | — | — | 7,847.6 | −35.1% | 103 | < 0.01% | 4.74 | 7,847.6 | 0 | 7,847.6 |
| 2004 | — | — | — | 0 | — | — | — | 12,087 | −26% | 102 | < 0.01% | 7.44 | 12,087 | 0 | 12,087 |
| 2003 | — | — | — | 0 | — | — | — | 16,327 | +63% | 100 | < 0.01% | 10.24 | 16,327 | 0 | 16,327 |
| 2002 | — | — | — | 0 | — | — | — | 10,018 | −62.6% | 102 | < 0.01% | 6.4 | 10,018 | 0 | 10,018 |
| 2001 | — | — | — | 0 | — | — | — | 26,799 | −47.8% | 96 | < 0.01% | 17.46 | 26,799 | 0 | 26,799 |
| 2000 | — | — | — | 0 | — | — | — | 51,377 | +23.3% | 92 | < 0.01% | 34.13 | 51,377 | 0 | 51,377 |
| 1999 | — | — | — | 0 | — | — | — | 41,672 | +30.4% | 91 | < 0.01% | 28.23 | 66,139 | 0 | 66,139 |
| 1998 | — | — | — | 0 | — | — | — | 31,967 | +41.3% | 94 | < 0.01% | 22.09 | 43,561 | 0 | 43,561 |
| 1997 | — | — | — | 0 | — | — | — | 22,625 | +18.8% | 97 | < 0.01% | 15.95 | 21,866 | 0 | 21,866 |
| 1996 | — | — | — | 0 | — | — | — | 19,049 | −52% | 98 | < 0.01% | 13.7 | 23,004 | 0 | 23,004 |
| 1995 | — | — | — | 0 | — | — | — | 39,683 | −33.3% | 94 | < 0.01% | 29.13 | 45,195 | 0 | 45,195 |
| 1994 | — | — | — | 0 | — | — | — | 59,525 | +1.9% | 90 | < 0.01% | 44.6 | 67,241 | 0 | 67,241 |
| 1993 | — | — | — | 0 | — | — | — | 58,422 | +26.2% | 90 | < 0.01% | 44.68 | 69,446 | 0 | 69,446 |
| 1992 | — | — | — | 0 | — | — | — | 46,297 | −6.7% | 90 | < 0.01% | 36.15 | 46,297 | 0 | 46,297 |
| 1991 | — | — | — | 0 | — | — | — | 49,604 | +40.6% | 73 | < 0.01% | 39.55 | 54,013 | 0 | 54,013 |
| 1990 | — | — | — | 0 | — | — | — | 35,274 | +113.3% | 74 | < 0.01% | 28.73 | 38,581 | 0 | 38,581 |
| 1989 | — | — | — | 0 | — | — | — | 16,535 | −6.2% | 78 | < 0.01% | 13.76 | 17,637 | 0 | 17,637 |
| 1988 | — | — | — | 0 | — | — | — | 17,637 | — | 77 | < 0.01% | 14.99 | 15,432 | 0 | 15,432 |
| 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 |