
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 839,375 | −32.4% | 81 | 0.01% | 280.8 | 470,026 | 14,629 | 455,397 |
| 2023 | 0 | — | — | 0 | — | — | — | 1,241,519 | −36.6% | 73 | 0.01% | 417.4 | 1,418,676 | 136,860 | 1,281,816 |
| 2022 | 0 | — | — | 0 | — | — | — | 1,956,944 | −3.2% | 66 | 0.02% | 663 | 2,062,345 | 910,066 | 1,152,279 |
| 2021 | 0 | — | — | 0 | — | — | — | 2,021,736 | +48.3% | 66 | 0.02% | 690.4 | 853,484 | 582,857 | 270,627 |
| 2020 | 0 | — | — | 0 | — | — | — | 1,363,663 | −21.7% | 70 | 0.02% | 467.7 | 1,224,661 | 213,853 | 1,010,808 |
| 2019 | 0 | — | — | 0 | — | — | — | 1,740,492 | −42.9% | 67 | 0.02% | 598.7 | 2,631,599 | 50,706 | 2,580,892 |
| 2018 | 0 | — | — | 0 | — | — | — | 3,046,076 | +2.9% | 56 | 0.04% | 1,051.5 | 3,037,960 | 18,628 | 3,019,332 |
| 2017 | 0 | — | — | 0 | — | — | — | 2,960,818 | −25.7% | 56 | 0.03% | 1,027.1 | 3,389,607 | 180.9 | 3,389,426 |
| 2016 | 0 | — | — | 0 | — | — | — | 3,985,953 | +14.7% | 54 | 0.05% | 1,391.7 | 3,181,267 | 23,149 | 3,158,118 |
| 2015 | 0 | — | — | 0 | — | — | — | 3,475,583 | −27.2% | 56 | 0.04% | 1,223 | 3,039,069 | 101,413 | 2,937,656 |
| 2014 | 0 | — | — | 0 | — | — | — | 4,775,207 | −21.4% | 50 | 0.05% | 1,692.2 | 4,996,771 | 57,320 | 4,939,451 |
| 2013 | 0 | — | — | 0 | — | — | — | 6,077,035 | +26.5% | 46 | 0.07% | 2,164.4 | 5,459,741 | 57,320 | 5,402,421 |
| 2012 | 0 | — | — | 0 | — | — | — | 4,802,765 | −21.6% | 50 | 0.05% | 1,717.8 | 4,384,989 | 12,125 | 4,372,864 |
| 2011 | 0 | — | — | 0 | — | — | — | 6,126,639 | −16.6% | 44 | 0.07% | 2,199.5 | 6,764,876 | 0 | 6,764,876 |
| 2010 | 0 | — | — | 0 | — | — | — | 7,350,203 | −2.1% | 44 | 0.09% | 2,649.7 | 5,037,557 | 78,264 | 4,959,293 |
| 2009 | 0 | — | — | 0 | — | — | — | 7,510,038 | −2.6% | 42 | 0.10% | 2,719.5 | 7,397,602 | 70,548 | 7,327,055 |
| 2008 | 0 | — | — | 0 | — | — | — | 7,712,863 | −11.7% | 42 | 0.10% | 2,807.9 | 8,343,384 | 171,960 | 8,171,424 |
| 2007 | — | — | — | 0 | — | — | — | 8,731,398 | −15.1% | 39 | 0.12% | 3,197.4 | 8,952,962 | 209,439 | 8,743,523 |
| 2006 | — | — | — | 0 | — | — | — | 10,282,348 | +48.6% | 37 | 0.14% | 3,782.1 | 9,576,869 | 121,254 | 9,455,615 |
| 2005 | — | — | — | 0 | — | — | — | 6,918,098 | −15% | 40 | 0.10% | 2,553 | 6,648,032 | 105,822 | 6,542,210 |
| 2004 | — | — | — | 0 | — | — | — | 8,141,662 | −23.3% | 40 | 0.13% | 3,012.9 | 8,368,738 | 173,063 | 8,195,675 |
| 2003 | — | — | — | 0 | — | — | — | 10,621,859 | +39.1% | 33 | 0.18% | 3,940.9 | 10,488,480 | 166,449 | 10,322,031 |
| 2002 | — | — | — | 0 | — | — | — | 7,633,497 | −0.69% | 39 | 0.14% | 2,839.9 | 6,903,768 | 185,188 | 6,718,579 |
| 2001 | — | — | — | 0 | — | — | — | 7,686,408 | +5.5% | 38 | 0.15% | 2,868.7 | 7,632,394 | 180,779 | 7,451,616 |
| 2000 | — | — | — | 0 | — | — | — | 7,286,269 | −15.6% | 38 | 0.14% | 2,729.1 | 7,072,421 | 135,584 | 6,936,837 |
| 1999 | — | — | — | 0 | — | — | — | 8,632,190 | −16.1% | 34 | 0.17% | 3,244.1 | 7,845,140 | 220,462 | 7,624,678 |
| 1998 | — | — | — | 0 | — | — | — | 10,293,371 | −15.4% | 33 | 0.21% | 3,881.2 | 8,896,744 | 188,495 | 8,708,249 |
| 1997 | — | — | — | 0 | — | — | — | 12,160,684 | −26.5% | 33 | 0.25% | 4,601.9 | 14,852,525 | 115,743 | 14,736,782 |
| 1996 | — | — | — | 0 | — | — | — | 16,547,878 | +36.8% | 28 | 0.33% | 6,288.3 | 14,478,842 | 171,960 | 14,306,881 |
| 1995 | — | — | — | 0 | — | — | — | 12,100,057 | −16.4% | 33 | 0.25% | 4,624.2 | 14,339,951 | 27,558 | 14,312,393 |
| 1994 | — | — | — | 0 | — | — | — | 14,473,330 | +10.4% | 29 | 0.30% | 5,560 | 12,977,496 | 66,139 | 12,911,357 |
| 1993 | — | — | — | 0 | — | — | — | 13,110,875 | +7.2% | 32 | 0.28% | 5,053.7 | 11,537,879 | 26,455 | 11,511,423 |
| 1992 | — | — | — | 0 | — | — | — | 12,229,027 | −17.9% | 30 | 0.26% | 4,729.5 | 13,164,888 | 38,581 | 13,126,307 |
| 1991 | — | — | — | 0 | — | — | — | 14,893,310 | +35.2% | 25 | 0.31% | 5,778.9 | 14,120,591 | 88,185 | 14,032,406 |
| 1990 | — | — | — | 0 | — | — | — | 11,012,077 | +9.7% | 25 | 0.22% | 4,284 | 11,304,189 | 59,525 | 11,244,664 |
| 1989 | — | — | — | 0 | — | — | — | 10,039,839 | −19.1% | 25 | 0.20% | 3,912.1 | 11,854,242 | 76,059 | 11,778,182 |
| 1988 | — | — | — | 0 | — | — | — | 12,403,192 | −5.4% | 24 | 0.24% | 4,835.9 | 11,416,625 | 134,482 | 11,282,143 |
| 1987 | — | — | — | 0 | — | — | — | 13,115,284 | −1.4% | 23 | 0.27% | 5,116 | 13,063,476 | 61,729 | 13,001,746 |
| 1986 | — | — | — | 0 | — | — | — | 13,307,086 | +1.4% | 23 | 0.28% | 5,197.4 | 13,719,350 | 63,934 | 13,655,416 |
| 1985 | — | — | — | 0 | — | — | — | 13,125,205 | +23.5% | 22 | 0.28% | 5,133.2 | 13,731,476 | 62,832 | 13,668,644 |
| 1984 | — | — | — | 0 | — | — | — | 10,626,268 | +6% | 24 | 0.24% | 4,157.5 | 10,810,354 | 83,776 | 10,726,579 |
| 1983 | — | — | — | 0 | — | — | — | 10,023,305 | −5.9% | 22 | 0.23% | 3,919.6 | 9,410,420 | 0 | 9,410,420 |
| 1982 | — | — | — | 0 | — | — | — | 10,649,417 | +21.7% | 22 | 0.25% | 4,161.6 | 10,651,622 | 0 | 10,651,622 |
| 1981 | — | — | — | 0 | — | — | — | 8,747,932 | −20.3% | 22 | 0.21% | 3,416.1 | 11,999,747 | 0 | 11,999,747 |
| 1980 | — | — | — | 0 | — | — | — | 10,973,496 | — | 21 | 0.27% | 4,283.9 | 10,988,928 | 0 | 10,988,928 |