
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 62,808,210 | −3.9% | 15 | 0.65% | 5,411.2 | 62,808,210 | 1,064.8 | 62,807,146 |
| 2023 | 1,102,310 | 87 | < 0.01% | 0 | — | — | — | 65,373,726 | −2.9% | 15 | 0.69% | 5,607.4 | 63,949,181 | 1,285.8 | 63,947,895 |
| 2022 | 1,102,310 | 87 | < 0.01% | 0 | — | — | — | 67,338,460 | −6.3% | 15 | 0.74% | 5,750.5 | 70,157,299 | 1,269.9 | 70,156,029 |
| 2021 | 1,102,310 | 87 | < 0.01% | 0 | — | — | — | 71,852,983 | +2.8% | 14 | 0.82% | 6,100 | 74,296,781 | 1,174 | 74,295,607 |
| 2020 | 1,102,310 | 87 | < 0.01% | 0 | — | — | — | 69,927,519 | −1.5% | 15 | 0.84% | 5,910.2 | 69,735,282 | 1,588.4 | 69,733,694 |
| 2019 | 1,102,310 | 87 | < 0.01% | 0 | — | — | — | 70,960,482 | −3.9% | 15 | 0.82% | 5,994.8 | 74,221,027 | 1,555.4 | 74,219,471 |
| 2018 | 1,102,310 | 87 | < 0.01% | 0 | — | — | — | 73,865,367 | +11.4% | 14 | 0.85% | 6,244.1 | 73,318,147 | 1,115.5 | 73,317,031 |
| 2017 | 1,102,310 | 87 | < 0.01% | 0 | — | — | — | 66,277,908 | −8.8% | 14 | 0.78% | 5,608.9 | 74,506,064 | 1,521.2 | 74,504,543 |
| 2016 | 1,102,310 | 87 | < 0.01% | 0 | — | — | — | 72,649,581 | +1.7% | 14 | 0.86% | 6,160.4 | 72,343,027 | 1,330.5 | 72,341,696 |
| 2015 | 1,102,310 | 87 | < 0.01% | 0 | — | — | — | 71,423,298 | −3.5% | 14 | 0.82% | 6,071 | 72,730,702 | 922.6 | 72,729,779 |
| 2014 | 1,102,310 | 87 | < 0.01% | 0 | — | — | — | 73,984,837 | +0.3% | 14 | 0.83% | 6,303.9 | 73,959,480 | 3,230.9 | 73,956,249 |
| 2013 | 1,102,310 | 81 | < 0.01% | 0 | — | — | — | 73,760,606 | +1.1% | 15 | 0.82% | 6,299.8 | 74,146,309 | 2,161.6 | 74,144,147 |
| 2012 | 1,102,310 | 81 | < 0.01% | 0 | — | — | — | 72,950,548 | −0.86% | 15 | 0.82% | 6,249.5 | 72,460,005 | 1,000.9 | 72,459,004 |
| 2011 | 1,102,310 | 81 | < 0.01% | 0 | — | — | — | 73,586,695 | +5.6% | 14 | 0.85% | 6,323.8 | 74,386,897 | 1,149.7 | 74,385,747 |
| 2010 | 1,102,310 | 81 | < 0.01% | 0 | — | — | — | 69,704,325 | +5.3% | 15 | 0.85% | 6,002.8 | 70,515,648 | 1,509.1 | 70,514,139 |
| 2009 | 1,102,310 | 81 | < 0.01% | 0 | — | — | — | 66,195,939 | −3.6% | 15 | 0.87% | 5,715.3 | 65,096,978 | 1,053.8 | 65,095,924 |
| 2008 | 1,102,310 | 81 | < 0.01% | 0 | — | — | — | 68,675,866 | −3.9% | 15 | 0.91% | 5,949.5 | 70,680,313 | 1,252.2 | 70,679,061 |
| 2007 | — | — | — | 0 | — | — | — | 71,473,437 | +4.3% | 15 | 0.96% | 6,213.2 | 72,097,788 | 789.3 | 72,096,999 |
| 2006 | — | — | — | 0 | — | — | — | 68,516,669 | +4% | 17 | 0.96% | 5,980.2 | 68,818,434 | 779.3 | 68,817,654 |
| 2005 | — | — | — | 0 | — | — | — | 65,856,283 | +4.1% | 17 | 0.98% | 5,770.6 | 66,519,047 | 1,015.2 | 66,518,032 |
| 2004 | — | — | — | 0 | — | — | — | 63,283,473 | +3.3% | 18 | 1.0% | 5,564.5 | 66,701,863 | 1,115.5 | 66,700,747 |
| 2003 | — | — | — | 0 | — | — | — | 61,254,123 | +8.5% | 18 | 1.1% | 5,405.4 | 60,262,571 | 670.2 | 60,261,901 |
| 2002 | — | — | — | 0 | — | — | — | 56,475,463 | +6.4% | 17 | 1.0% | 5,005.2 | 57,114,634 | 0 | 57,114,634 |
| 2001 | — | — | — | 0 | −100% | — | — | 53,056,033 | +5.7% | 17 | 1.0% | 4,727.4 | 54,112,833 | 0 | 54,112,833 |
| 2000 | — | — | — | 91,492 | −9.8% | 56 | < 0.01% | 50,208,016 | +18% | 19 | 0.97% | 4,496.3 | 50,054,795 | 0 | 50,054,795 |
| 1999 | — | — | — | 101,413 | +16.5% | 56 | < 0.01% | 42,552,473 | +5% | 19 | 0.86% | 3,832.9 | 45,309,350 | 0 | 45,309,350 |
| 1998 | — | — | — | 87,082 | −20.2% | 55 | < 0.01% | 40,535,246 | +9.4% | 19 | 0.82% | 3,676.8 | 40,887,985 | 0 | 40,887,985 |
| 1997 | — | — | — | 109,129 | −32.7% | 54 | < 0.01% | 37,050,844 | +13.5% | 22 | 0.75% | 3,385.9 | 39,924,566 | 0 | 39,924,566 |
| 1996 | — | — | — | 162,040 | −37.4% | 52 | < 0.01% | 32,644,911 | +14.5% | 22 | 0.65% | 3,007.5 | 34,334,752 | 0 | 34,334,752 |
| 1995 | — | — | — | 259,043 | −17.5% | 51 | 0.01% | 28,511,248 | +3.1% | 22 | 0.58% | 2,648 | 31,699,129 | 0 | 31,699,129 |
| 1994 | — | — | — | 314,158 | −13.1% | 50 | 0.01% | 27,649,242 | +6.6% | 22 | 0.58% | 2,589.2 | 29,454,826 | 0 | 29,454,826 |
| 1993 | — | — | — | 361,558 | −2.1% | 50 | 0.01% | 25,941,764 | +7.8% | 22 | 0.55% | 2,450.3 | 27,938,047 | 0 | 27,938,047 |
| 1992 | — | — | — | 369,274 | −16.7% | 50 | 0.01% | 24,062,325 | +16.3% | 22 | 0.51% | 2,293.6 | 24,404,041 | 0 | 24,404,041 |
| 1991 | — | — | — | 443,129 | −14.8% | 41 | 0.01% | 20,695,870 | +9% | 21 | 0.43% | 1,991.7 | 20,331,006 | 0 | 20,331,006 |
| 1990 | — | — | — | 520,290 | −39.8% | 39 | 0.01% | 18,992,801 | −1.7% | 20 | 0.38% | 1,844.4 | 20,422,497 | 0 | 20,422,497 |
| 1989 | — | — | — | 864,211 | −35.9% | 37 | 0.02% | 19,312,471 | +3.3% | 20 | 0.38% | 1,891.6 | 18,576,128 | 0 | 18,576,128 |
| 1988 | — | — | — | 1,347,243 | −18% | 34 | 0.03% | 18,702,894 | +14.2% | 20 | 0.37% | 1,849.6 | 19,240,821 | 0 | 19,240,821 |
| 1987 | — | — | — | 1,643,875 | −13.5% | 33 | 0.03% | 16,373,713 | +9.5% | 21 | 0.33% | 1,636.1 | 15,456,591 | 0 | 15,456,591 |
| 1986 | — | — | — | 1,901,485 | −7.2% | 32 | 0.04% | 14,949,528 | +22.3% | 22 | 0.32% | 1,509.6 | 11,778,182 | 0 | 11,778,182 |
| 1985 | — | — | — | 2,048,092 | −7.6% | 33 | 0.04% | 12,219,106 | +5.7% | 23 | 0.26% | 1,248.7 | 11,123,410 | 0 | 11,123,410 |
| 1984 | — | — | — | 2,216,745 | −10.1% | 29 | 0.05% | 11,556,618 | +17.6% | 22 | 0.26% | 1,197.2 | 8,256,302 | 0 | 8,256,302 |
| 1983 | — | — | — | 2,464,765 | −6.2% | 28 | 0.06% | 9,825,991 | +36.4% | 23 | 0.23% | 1,033.1 | 7,022,817 | 0 | 7,022,817 |
| 1982 | — | — | — | 2,627,907 | −2.5% | 26 | 0.06% | 7,203,596 | +18.3% | 25 | 0.17% | 769.5 | 6,151,992 | 0 | 6,151,992 |
| 1981 | — | — | — | 2,696,250 | −5% | 26 | 0.06% | 6,090,263 | −6.9% | 26 | 0.15% | 661.5 | 5,265,735 | 0 | 5,265,735 |
| 1980 | — | — | — | 2,837,346 | — | 26 | 0.07% | 6,544,414 | — | 26 | 0.16% | 723.7 | 5,111,411 | 0 | 5,111,411 |