
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 2,077,857 | −34.8% | 64 | 0.02% | 739.8 | 1,882,879 | 0 | 1,882,879 |
| 2023 | 0 | — | — | 0 | — | — | — | 3,187,895 | −9.7% | 55 | 0.03% | 1,138.3 | 2,603,754 | 57,320 | 2,546,433 |
| 2022 | 0 | — | — | 0 | — | — | — | 3,529,597 | +4.8% | 52 | 0.04% | 1,267.5 | 4,115,857 | 75.15 | 4,115,782 |
| 2021 | 0 | — | — | 0 | — | — | — | 3,368,659 | +12.1% | 53 | 0.04% | 1,215.9 | 2,443,821 | 0 | 2,443,821 |
| 2020 | 0 | — | — | 0 | — | — | — | 3,003,795 | −23.4% | 53 | 0.04% | 1,086.4 | 2,680,818 | 0 | 2,680,818 |
| 2019 | 0 | — | — | 0 | — | — | — | 3,923,452 | −17.4% | 52 | 0.05% | 1,421.1 | 3,392,367 | 0 | 3,392,367 |
| 2018 | 0 | — | — | 0 | — | — | — | 4,747,649 | −2.1% | 51 | 0.05% | 1,721.5 | 4,429,983 | 0 | 4,429,983 |
| 2017 | 0 | — | — | 0 | — | — | — | 4,851,266 | −8.4% | 50 | 0.06% | 1,761.4 | 4,299,798 | 0 | 4,299,798 |
| 2016 | 0 | — | — | 0 | — | — | — | 5,294,395 | +26.5% | 47 | 0.06% | 1,926.8 | 4,305,091 | 0 | 4,305,091 |
| 2015 | 0 | — | — | 0 | — | — | — | 4,186,573 | −20.2% | 52 | 0.05% | 1,528 | 3,901,712 | 0 | 3,901,712 |
| 2014 | 0 | — | — | 0 | — | — | — | 5,249,200 | −18.2% | 46 | 0.06% | 1,922.2 | 5,996,881 | 0 | 5,996,881 |
| 2013 | 0 | — | — | 0 | — | — | — | 6,417,649 | +25.9% | 45 | 0.07% | 2,359.8 | 5,582,301 | 0 | 5,582,301 |
| 2012 | 0 | — | — | 0 | — | — | — | 5,098,184 | −13.8% | 49 | 0.06% | 1,883.3 | 4,359,543 | 0 | 4,359,543 |
| 2011 | 0 | — | — | 0 | — | — | — | 5,916,098 | −22.9% | 45 | 0.07% | 2,195.9 | 7,683,101 | 0 | 7,683,101 |
| 2010 | 0 | — | — | 0 | — | — | — | 7,676,487 | +23.3% | 42 | 0.09% | 2,862.6 | 6,525,675 | 0 | 6,525,675 |
| 2009 | 0 | — | — | 0 | — | — | — | 6,224,745 | +10.7% | 44 | 0.08% | 2,331.9 | 6,557,642 | 0 | 6,557,642 |
| 2008 | 0 | — | — | 0 | — | — | — | 5,623,986 | −25.9% | 47 | 0.07% | 2,116.9 | 6,252,302 | 0 | 6,252,302 |
| 2007 | — | — | — | 0 | — | — | — | 7,592,711 | −12% | 41 | 0.10% | 2,871.3 | 7,352,408 | 0 | 7,352,408 |
| 2006 | — | — | — | 0 | — | — | — | 8,626,678 | +75.1% | 39 | 0.12% | 3,276.2 | 7,367,840 | 0 | 7,367,840 |
| 2005 | — | — | — | 0 | — | — | — | 4,926,223 | −44.1% | 48 | 0.07% | 1,878.1 | 5,206,210 | 0 | 5,206,210 |
| 2004 | — | — | — | 0 | — | — | — | 8,809,662 | −10.4% | 37 | 0.14% | 3,370.1 | 9,133,741 | 0 | 9,133,741 |
| 2003 | — | — | — | 0 | — | — | — | 9,828,196 | +33.8% | 35 | 0.17% | 3,770.7 | 11,184,037 | 0 | 11,184,037 |
| 2002 | — | — | — | 0 | — | — | — | 7,344,692 | +11.1% | 40 | 0.14% | 2,824.6 | 6,382,375 | 0 | 6,382,375 |
| 2001 | — | — | — | 0 | — | — | — | 6,609,451 | +15.6% | 39 | 0.13% | 2,548 | 6,806,764 | 0 | 6,806,764 |
| 2000 | — | — | — | 0 | — | — | — | 5,718,784 | −2.4% | 40 | 0.11% | 2,209.6 | 5,590,916 | 0 | 5,590,916 |
| 1999 | — | — | — | 0 | — | — | — | 5,860,982 | +2.2% | 41 | 0.12% | 2,269.3 | 3,965,009 | 0 | 3,965,009 |
| 1998 | — | — | — | 0 | — | — | — | 5,737,524 | −25.6% | 41 | 0.12% | 2,226.6 | 5,081,649 | 0 | 5,081,649 |
| 1997 | — | — | — | 0 | — | — | — | 7,711,761 | −12.4% | 35 | 0.16% | 3,000.7 | 7,752,546 | 0 | 7,752,546 |
| 1996 | — | — | — | 0 | — | — | — | 8,799,741 | +21.6% | 35 | 0.18% | 3,434.2 | 7,599,325 | 0 | 7,599,325 |
| 1995 | — | — | — | 0 | — | — | — | 7,234,461 | −15.6% | 37 | 0.15% | 2,832.6 | 6,416,547 | 0 | 6,416,547 |
| 1994 | — | — | — | 0 | — | — | — | 8,567,153 | +29.6% | 35 | 0.18% | 3,367.3 | 9,192,163 | 0 | 9,192,163 |
| 1993 | — | — | — | 0 | — | — | — | 6,611,655 | +23.3% | 36 | 0.14% | 2,609.9 | 6,540,005 | 0 | 6,540,005 |
| 1992 | — | — | — | 0 | — | — | — | 5,360,534 | −12.7% | 40 | 0.11% | 2,126.3 | 4,699,148 | 0 | 4,699,148 |
| 1991 | — | — | — | 0 | — | — | — | 6,137,662 | −1.4% | 31 | 0.13% | 2,448.3 | 5,702,250 | 0 | 5,702,250 |
| 1990 | — | — | — | 0 | — | — | — | 6,224,745 | −0.93% | 30 | 0.12% | 2,496.6 | 6,725,193 | 0 | 6,725,193 |
| 1989 | — | — | — | 0 | — | — | — | 6,283,167 | −2.7% | 29 | 0.12% | 2,531.2 | 6,134,355 | 0 | 6,134,355 |
| 1988 | — | — | — | 0 | — | — | — | 6,458,434 | +1.8% | 29 | 0.13% | 2,611.2 | 5,287,781 | 0 | 5,287,781 |
| 1987 | — | — | — | 0 | — | — | — | 6,347,101 | +26.6% | 29 | 0.13% | 2,573.7 | 5,588,712 | 0 | 5,588,712 |
| 1986 | — | — | — | 0 | — | — | — | 5,013,306 | −14.5% | 31 | 0.11% | 2,038.7 | 6,011,999 | 0 | 6,011,999 |
| 1985 | — | — | — | 0 | — | — | — | 5,862,085 | +40.1% | 28 | 0.13% | 2,391.6 | 5,609,656 | 0 | 5,609,656 |
| 1984 | — | — | — | 0 | — | — | — | 4,183,266 | +20.6% | 30 | 0.09% | 1,713.8 | 3,948,474 | 0 | 3,948,474 |
| 1983 | — | — | — | 0 | — | — | — | 3,470,072 | +5.1% | 29 | 0.08% | 1,429.3 | 4,839,141 | 0 | 4,839,141 |
| 1982 | — | — | — | 0 | — | — | — | 3,301,418 | +11.5% | 29 | 0.08% | 1,367.9 | 5,164,322 | 0 | 5,164,322 |
| 1981 | — | — | — | 0 | — | — | — | 2,960,805 | −52.8% | 29 | 0.07% | 1,233.7 | 6,228,052 | 0 | 6,228,052 |
| 1980 | — | — | — | 0 | — | — | — | 6,274,349 | — | 27 | 0.15% | 2,625.6 | 5,146,685 | 0 | 5,146,685 |