
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 1,608,176 | +44.2% | 68 | 0.02% | 174.7 | 1,612,397 | 0 | 1,612,397 |
| 2023 | 0 | — | — | 0 | — | — | — | 1,115,557 | −21.9% | 76 | 0.01% | 123.1 | 889,836 | 0 | 889,836 |
| 2022 | 0 | — | — | 0 | — | — | — | 1,427,670 | −44.2% | 73 | 0.02% | 160 | 1,436,894 | 0 | 1,436,894 |
| 2021 | 0 | — | — | 0 | — | — | — | 2,557,215 | +1.7% | 60 | 0.03% | 290.6 | 2,557,215 | 0 | 2,557,215 |
| 2020 | 0 | — | — | 0 | — | — | — | 2,513,609 | +11.7% | 58 | 0.03% | 289.6 | 2,618,999 | 0 | 2,618,999 |
| 2019 | 0 | — | — | 0 | — | — | — | 2,249,645 | −4.7% | 63 | 0.03% | 263.1 | 2,646,978 | 0 | 2,646,978 |
| 2018 | 0 | — | — | 0 | — | — | — | 2,361,754 | −1.2% | 61 | 0.03% | 280.4 | 2,232,479 | 0 | 2,232,479 |
| 2017 | 0 | — | — | 0 | — | — | — | 2,389,918 | +20.2% | 61 | 0.03% | 288.5 | 2,630,686 | 0 | 2,630,686 |
| 2016 | 0 | — | — | 0 | — | — | — | 1,987,465 | +17.5% | 64 | 0.02% | 244.3 | 2,416,836 | 0 | 2,416,836 |
| 2015 | 0 | — | — | 0 | — | — | — | 1,692,046 | +43.3% | 66 | 0.02% | 211.9 | 2,168,244 | 0 | 2,168,244 |
| 2014 | 0 | — | — | 0 | — | — | — | 1,180,574 | +8.1% | 67 | 0.01% | 150.6 | 1,382,297 | 0 | 1,382,297 |
| 2013 | 0 | — | — | 0 | — | — | — | 1,092,389 | +50.8% | 66 | 0.01% | 142 | 860,543 | 0 | 860,543 |
| 2012 | 0 | — | — | 0 | — | — | — | 724,218 | +33.5% | 73 | 0.01% | 95.99 | 681,925 | 0 | 681,925 |
| 2011 | 0 | — | — | 0 | — | — | — | 542,337 | +0.2% | 75 | 0.01% | 73.33 | 694,318 | 0 | 694,318 |
| 2010 | 0 | — | — | 0 | — | — | — | 541,234 | +67% | 74 | 0.01% | 74.65 | 671,412 | 0 | 671,412 |
| 2009 | 0 | — | — | 0 | — | — | — | 324,079 | −34.8% | 75 | < 0.01% | 45.59 | 421,524 | 0 | 421,524 |
| 2008 | 0 | — | — | 0 | — | — | — | 497,142 | +0.67% | 72 | 0.01% | 71.35 | 621,337 | 0 | 621,337 |
| 2007 | — | — | — | 0 | — | — | — | 493,835 | +4.7% | 70 | 0.01% | 72.35 | 509,199 | 0 | 509,199 |
| 2006 | — | — | — | 0 | — | — | — | 471,789 | +4.6% | 69 | 0.01% | 70.59 | 534,163 | 0 | 534,163 |
| 2005 | — | — | — | 0 | — | — | — | 450,845 | −3.8% | 66 | 0.01% | 68.9 | 400,530 | 0 | 400,530 |
| 2004 | — | — | — | 0 | — | — | — | 468,482 | +16.1% | 66 | 0.01% | 73.16 | 397,169 | 0 | 397,169 |
| 2003 | — | — | — | 0 | — | — | — | 403,445 | −6.2% | 67 | 0.01% | 64.42 | 450,234 | 0 | 450,234 |
| 2002 | — | — | — | 0 | — | — | — | 429,901 | +49.5% | 65 | 0.01% | 70.21 | 416,359 | 0 | 416,359 |
| 2001 | — | — | — | 0 | — | — | — | 287,542 | +21.3% | 68 | 0.01% | 48.05 | 443,679 | 0 | 443,679 |
| 2000 | — | — | — | 0 | — | — | — | 236,997 | +43.5% | 70 | < 0.01% | 40.52 | 334,616 | 0 | 334,616 |
| 1999 | — | — | — | 0 | — | — | — | 165,115 | +114.6% | 72 | < 0.01% | 28.91 | 165,115 | 0 | 165,115 |
| 1998 | — | — | — | 0 | — | — | — | 76,934 | — | 85 | < 0.01% | 13.81 | 76,934 | 0 | 76,934 |
| 1997 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1996 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1995 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1994 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1993 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1992 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1991 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1990 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1989 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1988 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1987 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1986 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1985 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1984 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1983 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1982 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1981 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1980 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |