表を表示
| 1970 | 0.2105 Mt | 1989 | 0.82 Mt | 2008 | 0.9102 Mt |
| 1971 | 0.2067 Mt | 1990 | 0.6205 Mt | 2009 | 1.134 Mt |
| 1972 | 0.2267 Mt | 1991 | 0.5919 Mt | 2010 | 1.4418 Mt |
| 1973 | 0.2666 Mt | 1992 | 0.5613 Mt | 2011 | 1.4738 Mt |
| 1974 | 0.2495 Mt | 1993 | 0.682 Mt | 2012 | 2.0551 Mt |
| 1975 | 0.2895 Mt | 1994 | 0.5713 Mt | 2013 | 2.0371 Mt |
| 1976 | 0.3147 Mt | 1995 | 0.5519 Mt | 2014 | 2.202 Mt |
| 1977 | 0.3504 Mt | 1996 | 0.6385 Mt | 2015 | 2.1698 Mt |
| 1978 | 0.3851 Mt | 1997 | 0.642 Mt | 2016 | 2.1674 Mt |
| 1979 | 0.4135 Mt | 1998 | 0.6941 Mt | 2017 | 1.9739 Mt |
| 1980 | 0.5133 Mt | 1999 | 0.6805 Mt | 2018 | 2.0278 Mt |
| 1981 | 0.6016 Mt | 2000 | 0.7016 Mt | 2019 | 2.3731 Mt |
| 1982 | 0.6301 Mt | 2001 | 0.7061 Mt | 2020 | 2.4096 Mt |
| 1983 | 0.6929 Mt | 2002 | 0.7335 Mt | 2021 | 2.8588 Mt |
| 1984 | 0.581 Mt | 2003 | 0.7968 Mt | 2022 | 3.2178 Mt |
| 1985 | 0.5981 Mt | 2004 | 0.8327 Mt | 2023 | 3.1629 Mt |
| 1986 | 0.7803 Mt | 2005 | 0.7988 Mt | 2024 | 3.2142 Mt |
| 1987 | 0.7741 Mt | 2006 | 0.8016 Mt | | |
| 1988 | 0.7996 Mt | 2007 | 0.8705 Mt | | |
表を表示
| 1970 | 0.05 t | 1989 | 0.1 t | 2008 | 0.06 t |
| 1971 | 0.04 t | 1990 | 0.07 t | 2009 | 0.07 t |
| 1972 | 0.05 t | 1991 | 0.07 t | 2010 | 0.09 t |
| 1973 | 0.05 t | 1992 | 0.06 t | 2011 | 0.09 t |
| 1974 | 0.05 t | 1993 | 0.07 t | 2012 | 0.12 t |
| 1975 | 0.05 t | 1994 | 0.06 t | 2013 | 0.11 t |
| 1976 | 0.06 t | 1995 | 0.06 t | 2014 | 0.11 t |
| 1977 | 0.06 t | 1996 | 0.06 t | 2015 | 0.11 t |
| 1978 | 0.07 t | 1997 | 0.06 t | 2016 | 0.1 t |
| 1979 | 0.07 t | 1998 | 0.06 t | 2017 | 0.09 t |
| 1980 | 0.08 t | 1999 | 0.06 t | 2018 | 0.09 t |
| 1981 | 0.1 t | 2000 | 0.06 t | 2019 | 0.1 t |
| 1982 | 0.1 t | 2001 | 0.06 t | 2020 | 0.1 t |
| 1983 | 0.1 t | 2002 | 0.06 t | 2021 | 0.12 t |
| 1984 | 0.08 t | 2003 | 0.06 t | 2022 | 0.13 t |
| 1985 | 0.08 t | 2004 | 0.06 t | 2023 | 0.12 t |
| 1986 | 0.11 t | 2005 | 0.06 t | 2024 | 0.12 t |
| 1987 | 0.1 t | 2006 | 0.06 t | | |
| 1988 | 0.1 t | 2007 | 0.06 t | | |