
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 5,238,084 | −14.6% | 43 | 0.05% | 1,412.9 | 5,259,576 | 0 | 5,259,576 |
| 2023 | 0 | — | — | 0 | — | — | — | 6,136,903 | −10.4% | 43 | 0.06% | 1,649.1 | 6,485,735 | 39.68 | 6,485,696 |
| 2022 | 0 | — | — | 0 | — | — | — | 6,852,720 | +7.3% | 43 | 0.08% | 1,835.7 | 6,261,819 | 0 | 6,261,819 |
| 2021 | 0 | — | — | 0 | — | — | — | 6,385,968 | +11.1% | 45 | 0.07% | 1,706.4 | 7,201,900 | 0 | 7,201,900 |
| 2020 | 0 | — | — | 0 | — | — | — | 5,748,691 | −46.8% | 44 | 0.07% | 1,535 | 6,046,187 | 0 | 6,046,187 |
| 2019 | 0 | — | — | 0 | — | — | — | 10,796,871 | −4.3% | 36 | 0.12% | 2,884.6 | 11,062,015 | 0 | 11,062,015 |
| 2018 | 0 | — | — | 0 | — | — | — | 11,276,869 | −2.6% | 37 | 0.13% | 3,018.8 | 11,994,373 | 0 | 11,994,373 |
| 2017 | 0 | — | — | 0 | — | — | — | 11,577,106 | −5.9% | 37 | 0.14% | 3,110.1 | 11,577,106 | 0 | 11,577,106 |
| 2016 | 0 | — | — | 0 | — | — | — | 12,303,073 | −0.21% | 37 | 0.15% | 3,321.6 | 12,303,073 | 0 | 12,303,073 |
| 2015 | 0 | — | — | 0 | — | — | — | 12,328,764 | −18.9% | 35 | 0.14% | 3,347.3 | 12,328,764 | 0 | 12,328,764 |
| 2014 | 0 | — | — | 0 | — | — | — | 15,197,718 | +6.3% | 34 | 0.17% | 4,152.7 | 15,199,639 | 0 | 15,199,639 |
| 2013 | 0 | — | — | 0 | — | — | — | 14,299,165 | +5% | 34 | 0.16% | 3,936.8 | 14,298,621 | 0 | 14,298,621 |
| 2012 | 0 | — | — | 0 | — | — | — | 13,614,631 | −1.4% | 35 | 0.15% | 3,781.3 | 13,614,355 | 0 | 13,614,355 |
| 2011 | 0 | — | — | 0 | — | — | — | 13,810,842 | +21.4% | 34 | 0.16% | 3,867 | 13,810,723 | 0 | 13,810,723 |
| 2010 | 0 | — | — | 0 | — | — | — | 11,380,248 | −16.3% | 36 | 0.14% | 3,205 | 11,380,592 | 0 | 11,380,592 |
| 2009 | 0 | — | — | 0 | — | — | — | 13,592,585 | +8.7% | 32 | 0.18% | 3,848.2 | 13,593,455 | 0 | 13,593,455 |
| 2008 | 0 | — | — | 0 | — | — | — | 12,505,707 | −7.5% | 36 | 0.16% | 3,562.5 | 12,505,858 | 0 | 12,505,858 |
| 2007 | — | — | — | 0 | — | — | — | 13,515,423 | +7.5% | 34 | 0.18% | 3,877.4 | 13,515,922 | 0 | 13,515,922 |
| 2006 | — | — | — | 0 | — | — | — | 12,569,641 | +5.3% | 34 | 0.18% | 3,627 | 12,570,273 | 771.6 | 12,569,501 |
| 2005 | — | — | — | 0 | — | — | — | 11,931,403 | +1.2% | 34 | 0.18% | 3,454.1 | 11,932,616 | 36.38 | 11,932,580 |
| 2004 | — | — | — | 0 | — | — | — | 11,784,796 | +0.14% | 33 | 0.19% | 3,421.8 | 11,785,461 | 142.2 | 11,785,319 |
| 2003 | — | — | — | 0 | — | — | — | 11,768,262 | +22.5% | 32 | 0.20% | 3,431.5 | 11,768,891 | 143.2 | 11,768,748 |
| 2002 | — | — | — | 0 | — | — | — | 9,609,939 | +8.5% | 34 | 0.18% | 2,817.6 | 9,609,840 | 3,085.4 | 9,606,755 |
| 2001 | — | — | — | 0 | — | — | — | 8,854,856 | +16.8% | 36 | 0.17% | 2,614.3 | 8,855,569 | 754 | 8,854,815 |
| 2000 | — | — | — | 0 | — | — | — | 7,582,790 | +13% | 37 | 0.15% | 2,261.9 | 6,715,521 | 371.8 | 6,715,149 |
| 1999 | — | — | — | 0 | — | — | — | 6,713,068 | −15.7% | 39 | 0.14% | 2,029.2 | 7,047,096 | 513.7 | 7,046,583 |
| 1998 | — | — | — | 0 | — | — | — | 7,961,985 | +18.7% | 36 | 0.16% | 2,441.8 | 7,828,414 | 345 | 7,828,069 |
| 1997 | — | — | — | 0 | — | — | — | 6,709,761 | −24.5% | 38 | 0.14% | 2,091.4 | 6,296,889 | 1,952.2 | 6,294,936 |
| 1996 | — | — | — | 0 | — | — | — | 8,884,619 | −17.1% | 34 | 0.18% | 2,819.4 | 7,464,068 | 265.7 | 7,463,802 |
| 1995 | — | — | — | 0 | — | — | — | 10,719,965 | +1.5% | 34 | 0.22% | 3,470.9 | 10,041,220 | 367.1 | 10,040,853 |
| 1994 | — | — | — | 0 | — | — | — | 10,565,641 | −22.8% | 34 | 0.22% | 3,497.2 | 9,316,008 | 632.7 | 9,315,375 |
| 1993 | — | — | — | 0 | — | — | — | 13,682,974 | +8.9% | 30 | 0.29% | 4,636.3 | 13,041,129 | 335.1 | 13,040,794 |
| 1992 | — | — | — | 0 | — | — | — | 12,564,129 | +7.4% | 29 | 0.26% | 4,362.9 | 11,260,711 | 617.3 | 11,260,094 |
| 1991 | — | — | — | 0 | — | — | — | 11,703,225 | +7.4% | 27 | 0.24% | 4,158.9 | 10,623,095 | 272.3 | 10,622,822 |
| 1990 | — | — | — | 0 | — | — | — | 10,894,130 | +6.9% | 26 | 0.22% | 3,918.3 | 9,843,839 | 120.2 | 9,843,719 |
| 1989 | — | — | — | 0 | — | — | — | 10,190,856 | +6.6% | 24 | 0.20% | 3,678.6 | 10,943,114 | 77.16 | 10,943,037 |
| 1988 | — | — | — | 0 | — | — | — | 9,555,925 | +11% | 25 | 0.19% | 3,465.5 | 10,214,919 | 483.9 | 10,214,435 |
| 1987 | — | — | — | 0 | — | — | — | 8,609,041 | +24.6% | 26 | 0.18% | 3,138.3 | 8,828,537 | 402.3 | 8,828,135 |
| 1986 | — | — | — | 0 | — | — | — | 6,911,484 | +21.5% | 26 | 0.15% | 2,535.7 | 7,067,602 | 1,280.9 | 7,066,321 |
| 1985 | — | — | — | 0 | — | — | — | 5,690,124 | +22.9% | 29 | 0.12% | 2,110.1 | 6,109,559 | 2,237.7 | 6,107,321 |
| 1984 | — | — | — | 0 | — | — | — | 4,629,702 | +39.9% | 29 | 0.10% | 1,741.8 | 4,941,017 | 2,131.9 | 4,938,885 |
| 1983 | — | — | — | 0 | — | — | — | 3,309,135 | +195.5% | 30 | 0.08% | 1,264.2 | 3,794,686 | 1,612.7 | 3,793,073 |
| 1982 | — | — | — | 0 | — | — | — | 1,119,947 | +1682.5% | 43 | 0.03% | 434.9 | 1,604,260 | 1,534.4 | 1,602,725 |
| 1981 | — | — | — | 0 | — | — | — | 62,832 | +1800% | 62 | < 0.01% | 24.83 | 81,257 | 1,495.8 | 79,761 |
| 1980 | — | — | — | 0 | — | — | — | 3,306.9 | — | 75 | < 0.01% | 1.33 | 25,526 | 1,641.3 | 23,885 |