
| Reserves | Production | Consumption | Trade | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | — | — | — | 0 | — | — | — | 1,952,139 | +21.9% | 66 | 0.02% | 31.38 | 1,952,176 | 26.77 | 1,952,150 |
| 2023 | 0 | — | — | 0 | — | — | — | 1,601,192 | +24.4% | 68 | 0.02% | 26.25 | 1,601,301 | 33.25 | 1,601,267 |
| 2022 | 0 | — | — | 0 | — | — | — | 1,287,498 | +22.4% | 75 | 0.01% | 21.53 | 1,287,540 | 0 | 1,287,540 |
| 2021 | 0 | — | — | 0 | — | — | — | 1,051,796 | +14.1% | 77 | 0.01% | 17.93 | 1,051,796 | 0 | 1,051,796 |
| 2020 | 0 | — | — | 0 | — | — | — | 922,096 | +41.8% | 80 | 0.01% | 16.02 | 922,096 | 0 | 922,096 |
| 2019 | 0 | — | — | 0 | — | — | — | 650,356 | −14.2% | 84 | 0.0075% | 11.52 | 650,356 | 0 | 650,356 |
| 2018 | 0 | — | — | 0 | — | — | — | 757,833 | −8.6% | 81 | 0.0088% | 13.69 | 757,833 | 0 | 757,833 |
| 2017 | 0 | — | — | 0 | — | — | — | 829,318 | −4.9% | 80 | 0.0097% | 15.29 | 829,318 | 0 | 829,318 |
| 2016 | 0 | — | — | 0 | — | — | — | 871,945 | −1.5% | 76 | 0.01% | 16.43 | 871,945 | 0 | 871,945 |
| 2015 | 0 | — | — | 0 | — | — | — | 885,159 | +6.2% | 74 | 0.01% | 17.05 | 885,159 | 0 | 885,159 |
| 2014 | 0 | — | — | 0 | — | — | — | 833,385 | +55.9% | 73 | 0.0094% | 16.42 | 833,385 | 0 | 833,385 |
| 2013 | 0 | — | — | 0 | — | — | — | 534,626 | +41.4% | 79 | 0.0059% | 10.78 | 534,626 | 0 | 534,626 |
| 2012 | 0 | — | — | 0 | — | — | — | 378,098 | −10.4% | 81 | 0.0042% | 7.82 | 378,098 | 0 | 378,098 |
| 2011 | 0 | — | — | 0 | — | — | — | 422,189 | +42.9% | 76 | 0.0049% | 8.96 | 422,191 | 0 | 422,191 |
| 2010 | 0 | — | — | 0 | — | — | — | 295,422 | +74% | 81 | 0.0036% | 6.44 | 295,423 | 0 | 295,423 |
| 2009 | 0 | — | — | 0 | — | — | — | 169,759 | −13% | 91 | 0.0022% | 3.81 | 169,758 | 0 | 169,758 |
| 2008 | 0 | — | — | 0 | — | — | — | 195,112 | −0.56% | 84 | 0.0026% | 4.51 | 195,112 | 0 | 195,112 |
| 2007 | — | — | — | 0 | — | — | — | 196,214 | −8.2% | 82 | 0.0026% | 4.68 | 196,214 | 0 | 196,214 |
| 2006 | — | — | — | 0 | — | — | — | 213,852 | +33.8% | 79 | 0.003% | 5.26 | 213,852 | 0 | 213,852 |
| 2005 | — | — | — | 0 | — | — | — | 159,838 | −17.1% | 81 | 0.0024% | 4.05 | 159,838 | 0 | 159,838 |
| 2004 | — | — | — | 0 | — | — | — | 192,907 | +16.7% | 79 | 0.0031% | 5.04 | 192,907 | 0 | 192,907 |
| 2003 | — | — | — | 0 | — | — | — | 165,349 | −6.2% | 80 | 0.0028% | 4.46 | 165,349 | 0 | 165,349 |
| 2002 | — | — | — | 0 | — | — | — | 176,373 | +49.5% | 78 | 0.0033% | 4.9 | 176,373 | 0 | 176,373 |
| 2001 | — | — | — | 0 | — | — | — | 117,949 | +0% | 83 | 0.0022% | 3.38 | 117,949 | 0 | 117,949 |
| 2000 | — | — | — | 0 | — | — | — | 117,949 | −7.8% | 81 | 0.0023% | 3.49 | 117,949 | 0 | 117,949 |
| 1999 | — | — | — | 0 | — | — | — | 127,870 | −2.5% | 80 | 0.0026% | 3.9 | 127,870 | 0 | 127,870 |
| 1998 | — | — | — | 0 | — | — | — | 131,177 | −19% | 78 | 0.0027% | 4.12 | 131,177 | 0 | 131,177 |
| 1997 | — | — | — | 0 | — | — | — | 162,042 | +2.1% | 75 | 0.0033% | 5.23 | 162,042 | 0 | 162,042 |
| 1996 | — | — | — | 0 | — | — | — | 158,735 | −7.7% | 76 | 0.0032% | 5.27 | 158,735 | 0 | 158,735 |
| 1995 | — | — | — | 0 | — | — | — | 171,963 | +27.9% | 75 | 0.0035% | 5.86 | 171,963 | 0 | 171,963 |
| 1994 | — | — | — | 0 | — | — | — | 134,484 | −6.9% | 79 | 0.0028% | 4.72 | 134,484 | 0 | 134,484 |
| 1993 | — | — | — | 0 | — | — | — | 144,405 | −17.1% | 81 | 0.003% | 5.22 | 144,405 | 0 | 144,405 |
| 1992 | — | — | — | 0 | — | — | — | 174,168 | +4.6% | 77 | 0.0037% | 6.48 | 174,168 | 0 | 174,168 |
| 1991 | — | — | — | 0 | — | — | — | 166,452 | +0% | 60 | 0.0034% | 6.39 | 166,451 | 0 | 166,451 |
| 1990 | — | — | — | 0 | — | — | — | 166,452 | +15.3% | 60 | 0.0033% | 6.6 | 166,452 | 0 | 166,452 |
| 1989 | — | — | — | 0 | — | — | — | 144,405 | +15.9% | 62 | 0.0028% | 5.92 | 144,405 | 0 | 144,405 |
| 1988 | — | — | — | 0 | — | — | — | 124,563 | +22.8% | 63 | 0.0025% | 5.29 | 124,563 | 0 | 124,563 |
| 1987 | — | — | — | 0 | — | — | — | 101,414 | +8.2% | 64 | 0.0021% | 4.46 | 101,414 | 0 | 101,414 |
| 1986 | — | — | — | 0 | — | — | — | 93,698 | −5.6% | 66 | 0.002% | 4.27 | 93,698 | 0 | 93,698 |
| 1985 | — | — | — | 0 | — | — | — | 99,210 | +8.4% | 65 | 0.0021% | 4.69 | 99,210 | 0 | 99,210 |
| 1984 | — | — | — | 0 | — | — | — | 91,493 | +159.4% | 66 | 0.002% | 4.48 | 91,493 | 0 | 91,493 |
| 1983 | — | — | — | 0 | — | — | — | 35,275 | −30.4% | 71 | 0.00082% | 1.79 | 35,275 | 0 | 35,275 |
| 1982 | — | — | — | 0 | — | — | — | 50,707 | −49.5% | 67 | 0.0012% | 2.67 | 50,707 | 0 | 50,707 |
| 1981 | — | — | — | 0 | — | — | — | 100,312 | +468.8% | 59 | 0.0024% | 5.48 | 100,312 | 0 | 100,312 |
| 1980 | — | — | — | 0 | — | — | — | 17,637 | — | 69 | 0.00043% | 1 | 17,637 | 0 | 17,637 |