
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 2,507,428 | +15% | 60 | 0.03% | 472.8 | 2,568,055 | 0 | 2,568,055 |
| 2023 | 5,511,550 | 81 | < 0.01% | 0 | — | — | — | 2,179,456 | −6% | 63 | 0.02% | 413.1 | 2,183,871 | 5.79 | 2,183,865 |
| 2022 | 5,511,550 | 81 | < 0.01% | 0 | — | — | — | 2,317,959 | −2.6% | 62 | 0.03% | 442 | 2,250,949 | 10,752 | 2,240,197 |
| 2021 | 5,511,550 | 81 | < 0.01% | 0 | — | — | — | 2,379,899 | −27.9% | 63 | 0.03% | 457 | 2,412,035 | 7.15 | 2,412,028 |
| 2020 | 5,511,550 | 81 | < 0.01% | 0 | — | — | — | 3,301,049 | −21.5% | 50 | 0.04% | 637.7 | 3,319,235 | 10.78 | 3,319,224 |
| 2019 | 5,511,550 | 81 | < 0.01% | 0 | — | — | — | 4,206,683 | −3.5% | 50 | 0.05% | 818.5 | 4,170,174 | 21.5 | 4,170,152 |
| 2018 | 5,511,550 | 81 | < 0.01% | 0 | — | — | — | 4,358,894 | −2.3% | 52 | 0.05% | 856.8 | 4,533,166 | 863.8 | 4,532,302 |
| 2017 | 5,511,550 | 81 | < 0.01% | 0 | — | — | — | 4,462,662 | −2.1% | 51 | 0.05% | 887.4 | 4,760,162 | 463 | 4,759,699 |
| 2016 | 5,511,550 | 81 | < 0.01% | 0 | — | — | — | 4,556,941 | −2.5% | 50 | 0.05% | 918.4 | 5,606,412 | 344.7 | 5,606,067 |
| 2015 | 5,511,550 | 82 | < 0.01% | 0 | — | — | — | 4,672,726 | +5.1% | 50 | 0.05% | 953.7 | 4,717,955 | 226.4 | 4,717,729 |
| 2014 | 5,511,550 | 82 | < 0.01% | 0 | — | — | — | 4,447,630 | −2.5% | 51 | 0.05% | 917.4 | 4,736,206 | 723.3 | 4,735,483 |
| 2013 | 1,102,310 | 80 | < 0.01% | 0 | — | — | — | 4,562,372 | +1% | 52 | 0.05% | 950.4 | 4,079,832 | 962 | 4,078,870 |
| 2012 | 1,102,310 | 80 | < 0.01% | 0 | — | — | — | 4,515,419 | −10% | 52 | 0.05% | 948.7 | 3,630,264 | 830.6 | 3,629,434 |
| 2011 | 1,102,310 | 80 | < 0.01% | 0 | — | — | — | 5,016,661 | −8.8% | 50 | 0.06% | 1,061.8 | 5,166,575 | 986.1 | 5,165,589 |
| 2010 | 1,102,310 | 80 | < 0.01% | 0 | — | — | — | 5,502,408 | +27.3% | 48 | 0.07% | 1,173.4 | 6,104,269 | 851.7 | 6,103,418 |
| 2009 | 1,102,310 | 80 | < 0.01% | 0 | — | — | — | 4,322,093 | −19.5% | 50 | 0.06% | 929.6 | 3,267,182 | 5,991.3 | 3,261,191 |
| 2008 | 1,102,310 | 80 | < 0.01% | 0 | — | — | — | 5,366,482 | −9.7% | 48 | 0.07% | 1,164.1 | 4,975,162 | 10,697 | 4,964,465 |
| 2007 | — | — | — | 0 | — | — | — | 5,944,621 | −9.8% | 45 | 0.08% | 1,299.6 | 5,683,373 | 4,057.2 | 5,679,316 |
| 2006 | — | — | — | 0 | — | — | — | 6,587,495 | +17.2% | 43 | 0.09% | 1,450.9 | 5,620,769 | 9,260.1 | 5,611,509 |
| 2005 | — | — | — | 0 | — | — | — | 5,619,399 | −1.9% | 45 | 0.08% | 1,244.6 | 5,680,026 | 6,624.6 | 5,673,401 |
| 2004 | — | — | — | 0 | — | — | — | 5,729,660 | +3.2% | 47 | 0.09% | 1,274.1 | 5,492,663 | 12,127 | 5,480,536 |
| 2003 | — | — | — | 0 | — | — | — | 5,554,377 | +1.5% | 46 | 0.10% | 1,240 | 5,495,954 | 9,431.9 | 5,486,522 |
| 2002 | — | — | — | 0 | — | — | — | 5,472,476 | −5.2% | 46 | 0.10% | 1,226.3 | 4,888,252 | 3,510 | 4,884,742 |
| 2001 | — | — | — | 0 | — | — | — | 5,770,662 | +8.9% | 42 | 0.11% | 1,297.4 | 5,489,573 | 6,393.5 | 5,483,179 |
| 2000 | — | — | — | 0 | — | — | — | 5,299,926 | +0.41% | 44 | 0.10% | 1,194.7 | 5,402,441 | 5,120.9 | 5,397,320 |
| 1999 | — | — | — | 0 | — | — | — | 5,278,167 | −2.1% | 44 | 0.11% | 1,191.8 | 5,131,560 | 3,934.9 | 5,127,625 |
| 1998 | — | — | — | 0 | — | — | — | 5,393,663 | +1.5% | 44 | 0.11% | 1,218.8 | 5,400,277 | 3,859.5 | 5,396,417 |
| 1997 | — | — | — | 0 | — | — | — | 5,316,020 | −10.6% | 46 | 0.11% | 1,202 | 5,650,020 | 6,267.4 | 5,643,753 |
| 1996 | — | — | — | 0 | — | — | — | 5,947,811 | +9.2% | 40 | 0.12% | 1,345.6 | 5,327,210 | 6,503.6 | 5,320,706 |
| 1995 | — | — | — | 0 | — | — | — | 5,449,117 | −0.01% | 42 | 0.11% | 1,234.7 | 5,696,035 | 11,726 | 5,684,309 |
| 1994 | — | — | — | 0 | — | — | — | 5,449,913 | +1.8% | 42 | 0.11% | 1,241.4 | 5,128,038 | 16,948 | 5,111,090 |
| 1993 | — | — | — | 0 | −100% | — | — | 5,354,841 | −1.3% | 42 | 0.11% | 1,228.5 | 5,209,336 | 15,743 | 5,193,593 |
| 1992 | — | — | — | 40,785 | +32.1% | 63 | < 0.01% | 5,426,837 | +3.8% | 39 | 0.11% | 1,252.2 | 5,004,652 | 16,535 | 4,988,118 |
| 1991 | — | — | — | 30,865 | +154.5% | 53 | < 0.01% | 5,228,972 | −2.1% | 33 | 0.11% | 1,213.6 | 5,035,308 | 14,330 | 5,020,978 |
| 1990 | — | — | — | 12,125 | −45% | 54 | < 0.01% | 5,342,872 | −0.86% | 33 | 0.11% | 1,248.5 | 5,350,930 | 13,614 | 5,337,316 |
| 1989 | — | — | — | 22,046 | +25% | 54 | < 0.01% | 5,389,230 | +1.8% | 32 | 0.11% | 1,269.1 | 5,637,250 | 12,897 | 5,624,353 |
| 1988 | — | — | — | 17,637 | −36% | 54 | < 0.01% | 5,296,053 | −8.9% | 32 | 0.10% | 1,255.5 | 5,268,837 | 12,181 | 5,256,656 |
| 1987 | — | — | — | 27,558 | +35.1% | 54 | < 0.01% | 5,815,008 | −3.5% | 30 | 0.12% | 1,384.9 | 6,126,201 | 11,464 | 6,114,737 |
| 1986 | — | — | — | 20,393 | +54.2% | 54 | < 0.01% | 6,026,896 | +1.3% | 28 | 0.13% | 1,440.2 | 6,803,264 | 40,469 | 6,762,795 |
| 1985 | — | — | — | 13,228 | −7.7% | 54 | < 0.01% | 5,951,202 | +10% | 27 | 0.13% | 1,425.4 | 7,379,035 | 31,175 | 7,347,860 |
| 1984 | — | — | — | 14,330 | −7.1% | 53 | < 0.01% | 5,410,494 | +7.4% | 27 | 0.12% | 1,298 | 6,286,070 | 25,353 | 6,260,717 |
| 1983 | — | — | — | 15,432 | −6.7% | 53 | < 0.01% | 5,037,587 | +11.9% | 27 | 0.12% | 1,209.7 | 5,086,088 | 1,176.6 | 5,084,912 |
| 1982 | — | — | — | 16,535 | −6.2% | 53 | < 0.01% | 4,502,226 | +14.6% | 28 | 0.11% | 1,081.6 | 4,957,481 | 1,535.3 | 4,955,945 |
| 1981 | — | — | — | 17,637 | −11.1% | 52 | < 0.01% | 3,929,422 | −5.9% | 28 | 0.10% | 944.5 | 3,834,623 | 1,035.3 | 3,833,588 |
| 1980 | — | — | — | 19,842 | — | 52 | < 0.01% | 4,176,084 | — | 29 | 0.10% | 1,005 | 4,374,500 | 5,353.1 | 4,369,146 |