
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 856,251 | +19.3% | 79 | 0.01% | 1,347.2 | 817,053 | 0 | 817,053 |
| 2023 | 0 | — | — | 0 | — | — | — | 717,890 | +12.3% | 85 | 0.01% | 1,127.4 | 672,134 | 0 | 672,134 |
| 2022 | 0 | — | — | 0 | — | — | — | 639,340 | −21.3% | 87 | 0.01% | 1,002 | 639,340 | 0 | 639,340 |
| 2021 | 0 | — | — | 0 | — | — | — | 811,971 | +11.5% | 82 | 0.01% | 1,269.1 | 841,944 | 0 | 841,944 |
| 2020 | 0 | — | — | 0 | — | — | — | 728,099 | −0.51% | 84 | 0.01% | 1,134.8 | 1,310,735 | 0 | 1,310,735 |
| 2019 | 0 | — | — | 0 | — | — | — | 731,865 | −8.1% | 82 | 0.01% | 1,138 | 1,293,120 | 0 | 1,293,120 |
| 2018 | 0 | — | — | 0 | — | — | — | 795,997 | −5% | 79 | 0.01% | 1,235.2 | 1,414,705 | 0 | 1,414,705 |
| 2017 | 0 | — | — | 0 | — | — | — | 837,968 | +3.5% | 79 | 0.01% | 1,298.5 | 1,576,912 | 0 | 1,576,912 |
| 2016 | 0 | — | — | 0 | — | — | — | 809,556 | +1.6% | 78 | 0.01% | 1,253.4 | 1,020,188 | 0 | 1,020,188 |
| 2015 | 0 | — | — | 0 | — | — | — | 796,779 | +1.6% | 76 | 0.01% | 1,233.1 | 886,478 | 0 | 886,478 |
| 2014 | 0 | — | — | 0 | — | — | — | 784,003 | +4.1% | 76 | 0.01% | 1,213.6 | 850,763 | 0 | 850,763 |
| 2013 | 0 | — | — | 0 | — | — | — | 753,106 | +5.2% | 73 | 0.01% | 1,166.7 | 780,766 | 0 | 780,766 |
| 2012 | 0 | — | — | 0 | — | — | — | 715,572 | +5.2% | 74 | 0.01% | 1,110.1 | 803,948 | 0 | 803,948 |
| 2011 | 0 | — | — | 0 | — | — | — | 680,453 | −4% | 72 | 0.01% | 1,058 | 727,745 | 0 | 727,745 |
| 2010 | 0 | — | — | 0 | — | — | — | 708,839 | +12% | 71 | 0.01% | 1,105.2 | 728,208 | 0 | 728,208 |
| 2009 | 0 | — | — | 0 | — | — | — | 632,881 | −11.9% | 70 | 0.01% | 989.7 | 617,183 | 0 | 617,183 |
| 2008 | 0 | — | — | 0 | — | — | — | 718,706 | +13.8% | 71 | 0.01% | 1,127.7 | 669,103 | 0 | 669,103 |
| 2007 | — | — | — | 0 | — | — | — | 631,624 | +18.1% | 68 | 0.01% | 995.1 | 732,015 | 0 | 732,015 |
| 2006 | — | — | — | 0 | — | — | — | 534,620 | +33.2% | 68 | 0.01% | 846.1 | 709,587 | 0 | 709,587 |
| 2005 | — | — | — | 0 | — | — | — | 401,241 | +26% | 68 | 0.01% | 638.3 | 397,870 | 0 | 397,870 |
| 2004 | — | — | — | 0 | — | — | — | 318,568 | −8.5% | 69 | 0.01% | 509.8 | 329,211 | 0 | 329,211 |
| 2003 | — | — | — | 0 | — | — | — | 348,330 | +0.96% | 68 | 0.01% | 560.9 | 307,843 | 0 | 307,843 |
| 2002 | — | — | — | 0 | — | — | — | 345,023 | +4.7% | 67 | 0.01% | 559.2 | 234,693 | 0 | 234,693 |
| 2001 | — | — | — | 0 | — | — | — | 329,591 | +18.2% | 65 | 0.01% | 537.8 | 239,923 | 0 | 239,923 |
| 2000 | — | — | — | 0 | — | — | — | 278,884 | +86% | 69 | 0.01% | 458.5 | 245,154 | 0 | 245,154 |
| 1999 | — | — | — | 0 | — | — | — | 149,914 | +91.5% | 75 | < 0.01% | 248.6 | 142,198 | 0 | 142,198 |
| 1998 | — | — | — | 0 | — | — | — | 78,264 | +54.3% | 82 | < 0.01% | 131 | 94,799 | 0 | 94,799 |
| 1997 | — | — | — | 0 | — | — | — | 50,706 | +15% | 88 | < 0.01% | 85.63 | 30,865 | 0 | 30,865 |
| 1996 | — | — | — | 0 | — | — | — | 44,092 | −36.5% | 88 | < 0.01% | 75.22 | 41,888 | 0 | 41,888 |
| 1995 | — | — | — | 0 | — | — | — | 69,446 | +0% | 84 | < 0.01% | 119.8 | 72,753 | 0 | 72,753 |
| 1994 | — | — | — | 0 | — | — | — | 69,446 | +1.6% | 88 | < 0.01% | 121.1 | 41,888 | 0 | 41,888 |
| 1993 | — | — | — | 0 | — | — | — | 68,343 | +1.6% | 87 | < 0.01% | 120.7 | 69,446 | 0 | 69,446 |
| 1992 | — | — | — | 0 | — | — | — | 67,241 | +1.7% | 86 | < 0.01% | 120.3 | 79,366 | 0 | 79,366 |
| 1991 | — | — | — | 0 | — | — | — | 66,139 | +7.1% | 70 | < 0.01% | 119.9 | 72,753 | 0 | 72,753 |
| 1990 | — | — | — | 0 | — | — | — | 61,729 | −15.2% | 71 | < 0.01% | 113.4 | 88,185 | 0 | 88,185 |
| 1989 | — | — | — | 0 | — | — | — | 72,752 | +65% | 69 | < 0.01% | 135.2 | 82,673 | 0 | 82,673 |
| 1988 | — | — | — | 0 | — | — | — | 44,092 | −20% | 72 | < 0.01% | 82.91 | 44,092 | 0 | 44,092 |
| 1987 | — | — | — | 0 | — | — | — | 55,116 | −10.7% | 72 | < 0.01% | 104.9 | 34,172 | 0 | 34,172 |
| 1986 | — | — | — | 0 | — | — | — | 61,729 | +64.7% | 72 | < 0.01% | 118.9 | 61,729 | 0 | 61,729 |
| 1985 | — | — | — | 0 | — | — | — | 37,479 | +36% | 73 | < 0.01% | 73.12 | 29,762 | 0 | 29,762 |
| 1984 | — | — | — | 0 | — | — | — | 27,558 | — | 73 | < 0.01% | 54.5 | 27,558 | 0 | 27,558 |
| 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 |