表を表示
| 1970 | 0.1414 Mt | 1989 | 0.8645 Mt | 2008 | 0.9699 Mt |
| 1971 | 0.1415 Mt | 1990 | 0.8466 Mt | 2009 | 0.9341 Mt |
| 1972 | 0.1508 Mt | 1991 | 0.878 Mt | 2010 | 0.9897 Mt |
| 1973 | 0.1814 Mt | 1992 | 0.9069 Mt | 2011 | 0.9571 Mt |
| 1974 | 0.2225 Mt | 1993 | 0.9168 Mt | 2012 | 0.9246 Mt |
| 1975 | 0.1839 Mt | 1994 | 0.7457 Mt | 2013 | 0.9938 Mt |
| 1976 | 0.1812 Mt | 1995 | 0.7058 Mt | 2014 | 0.9835 Mt |
| 1977 | 0.1913 Mt | 1996 | 0.6976 Mt | 2015 | 1.0058 Mt |
| 1978 | 0.1899 Mt | 1997 | 0.7338 Mt | 2016 | 1.0079 Mt |
| 1979 | 0.2041 Mt | 1998 | 0.7551 Mt | 2017 | 0.8808 Mt |
| 1980 | 0.2197 Mt | 1999 | 0.7539 Mt | 2018 | 0.7829 Mt |
| 1981 | 0.3326 Mt | 2000 | 0.7097 Mt | 2019 | 0.785 Mt |
| 1982 | 0.4269 Mt | 2001 | 0.8298 Mt | 2020 | 0.715 Mt |
| 1983 | 0.5619 Mt | 2002 | 0.8778 Mt | 2021 | 0.64 Mt |
| 1984 | 0.751 Mt | 2003 | 0.9342 Mt | 2022 | 0.9258 Mt |
| 1985 | 0.7186 Mt | 2004 | 0.8833 Mt | 2023 | 0.9282 Mt |
| 1986 | 0.789 Mt | 2005 | 0.9413 Mt | 2024 | 0.9739 Mt |
| 1987 | 0.8985 Mt | 2006 | 0.8855 Mt | | |
| 1988 | 0.8902 Mt | 2007 | 0.9483 Mt | | |
表を表示
| 1970 | 1.24 t | 1989 | 4.33 t | 2008 | 3.61 t |
| 1971 | 1.2 t | 1990 | 4.15 t | 2009 | 3.47 t |
| 1972 | 1.24 t | 1991 | 4.23 t | 2010 | 3.66 t |
| 1973 | 1.44 t | 1992 | 4.29 t | 2011 | 3.52 t |
| 1974 | 1.71 t | 1993 | 4.26 t | 2012 | 3.39 t |
| 1975 | 1.37 t | 1994 | 3.41 t | 2013 | 3.62 t |
| 1976 | 1.31 t | 1995 | 3.18 t | 2014 | 3.56 t |
| 1977 | 1.34 t | 1996 | 3.09 t | 2015 | 3.62 t |
| 1978 | 1.29 t | 1997 | 3.2 t | 2016 | 3.61 t |
| 1979 | 1.35 t | 1998 | 3.24 t | 2017 | 3.14 t |
| 1980 | 1.4 t | 1999 | 3.19 t | 2018 | 2.8 t |
| 1981 | 2.06 t | 2000 | 2.95 t | 2019 | 2.81 t |
| 1982 | 2.56 t | 2001 | 3.4 t | 2020 | 2.56 t |
| 1983 | 3.27 t | 2002 | 3.54 t | 2021 | 2.29 t |
| 1984 | 4.26 t | 2003 | 3.71 t | 2022 | 3.3 t |
| 1985 | 3.97 t | 2004 | 3.46 t | 2023 | 3.3 t |
| 1986 | 4.25 t | 2005 | 3.63 t | 2024 | 3.46 t |
| 1987 | 4.72 t | 2006 | 3.36 t | | |
| 1988 | 4.56 t | 2007 | 3.56 t | | |