
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 496,000,000 | −0.6% | 121 | < 0.01% | 1,236 | 496,000,000 | 0 | 496,000,000 |
| 2023 | — | — | — | 0 | — | — | — | 499,000,000 | +2% | 121 | < 0.01% | 1,249.2 | 499,000,000 | 0 | 499,000,000 |
| 2022 | — | — | — | 0 | — | — | — | 489,000,000 | +0.62% | 121 | < 0.01% | 1,230.1 | 489,000,000 | 0 | 489,000,000 |
| 2021 | — | — | — | 0 | — | — | — | 486,000,000 | +89.1% | 120 | < 0.01% | 1,226.1 | 486,000,000 | 0 | 486,000,000 |
| 2020 | — | — | — | 0 | — | — | — | 257,000,000 | +64.7% | 122 | < 0.01% | 649.2 | 257,000,000 | 0 | 257,000,000 |
| 2019 | — | — | — | 0 | — | — | — | 156,000,000 | +13.9% | 123 | < 0.01% | 395.3 | 156,000,000 | 0 | 156,000,000 |
| 2018 | — | — | — | 0 | — | — | — | 137,000,000 | +6750% | 122 | < 0.01% | 348.9 | 137,000,000 | 0 | 137,000,000 |
| 2017 | — | — | — | 0 | — | — | — | 2,000,000 | — | 120 | < 0.01% | 5.12 | 2,000,000 | 0 | 2,000,000 |
| 2016 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2015 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2014 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2013 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2012 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2011 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2010 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2009 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2008 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2007 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2006 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2005 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2004 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2003 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2002 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2001 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 2000 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1999 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 1998 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | 0 | 0 | 0 |
| 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 | — | — | — |
| 1988 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | — | — | — |
| 1987 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | — | — | — |
| 1986 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | — | — | — |
| 1985 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | — | — | — |
| 1984 | — | — | — | 0 | — | — | — | 0 | — | — | — | 0 | — | — | — |
| 1983 | 1,000,000,000 | 69 | < 0.01% | 0 | — | — | — | 0 | — | — | — | 0 | — | — | — |
| 1982 | 1,000,000,000 | 69 | < 0.01% | 0 | — | — | — | 0 | — | — | — | 0 | — | — | — |
| 1981 | 1,000,000,000 | 67 | < 0.01% | 0 | — | — | — | 0 | — | — | — | 0 | — | — | — |
| 1980 | 0 | — | — | 0 | — | — | — | 0 | — | — | — | 0 | — | — | — |