表を表示
| 1970 | 1.9334 Mt | 1989 | 2.2993 Mt | 2008 | 3.7798 Mt |
| 1971 | 2.0318 Mt | 1990 | 2.3396 Mt | 2009 | 3.8274 Mt |
| 1972 | 2.2451 Mt | 1991 | 2.2915 Mt | 2010 | 3.7364 Mt |
| 1973 | 2.5818 Mt | 1992 | 2.306 Mt | 2011 | 3.6038 Mt |
| 1974 | 2.527 Mt | 1993 | 2.4069 Mt | 2012 | 3.6451 Mt |
| 1975 | 2.3719 Mt | 1994 | 2.5207 Mt | 2013 | 3.7106 Mt |
| 1976 | 2.3943 Mt | 1995 | 2.4404 Mt | 2014 | 3.4639 Mt |
| 1977 | 2.464 Mt | 1996 | 2.7086 Mt | 2015 | 3.6292 Mt |
| 1978 | 2.5391 Mt | 1997 | 2.6247 Mt | 2016 | 3.1789 Mt |
| 1979 | 2.6261 Mt | 1998 | 2.7082 Mt | 2017 | 3.3299 Mt |
| 1980 | 2.4308 Mt | 1999 | 2.741 Mt | 2018 | 3.2946 Mt |
| 1981 | 2.3383 Mt | 2000 | 2.8524 Mt | 2019 | 3.1768 Mt |
| 1982 | 1.9778 Mt | 2001 | 2.9576 Mt | 2020 | 3.0717 Mt |
| 1983 | 2.0192 Mt | 2002 | 3.1289 Mt | 2021 | 3.1637 Mt |
| 1984 | 2.244 Mt | 2003 | 3.1 Mt | 2022 | 3.2394 Mt |
| 1985 | 2.1331 Mt | 2004 | 3.1757 Mt | 2023 | 3.22 Mt |
| 1986 | 2.1402 Mt | 2005 | 3.1274 Mt | 2024 | 3.293 Mt |
| 1987 | 2.1782 Mt | 2006 | 3.2417 Mt | | |
| 1988 | 2.2991 Mt | 2007 | 3.4751 Mt | | |
表を表示
| 1970 | 9.46 t | 1989 | 9.09 t | 2008 | 11.91 t |
| 1971 | 9.86 t | 1990 | 9.18 t | 2009 | 12.02 t |
| 1972 | 10.74 t | 1991 | 8.89 t | 2010 | 11.75 t |
| 1973 | 12.16 t | 1992 | 8.83 t | 2011 | 11.3 t |
| 1974 | 11.74 t | 1993 | 9.13 t | 2012 | 11.37 t |
| 1975 | 10.88 t | 1994 | 9.48 t | 2013 | 11.46 t |
| 1976 | 10.88 t | 1995 | 9.12 t | 2014 | 10.58 t |
| 1977 | 11.11 t | 1996 | 10.07 t | 2015 | 10.97 t |
| 1978 | 11.36 t | 1997 | 9.68 t | 2016 | 9.48 t |
| 1979 | 11.63 t | 1998 | 9.88 t | 2017 | 9.7 t |
| 1980 | 10.65 t | 1999 | 9.88 t | 2018 | 9.34 t |
| 1981 | 10.13 t | 2000 | 10.14 t | 2019 | 8.81 t |
| 1982 | 8.46 t | 2001 | 10.38 t | 2020 | 8.38 t |
| 1983 | 8.52 t | 2002 | 10.88 t | 2021 | 8.49 t |
| 1984 | 9.37 t | 2003 | 10.71 t | 2022 | 8.48 t |
| 1985 | 8.84 t | 2004 | 10.87 t | 2023 | 8.35 t |
| 1986 | 8.8 t | 2005 | 10.54 t | 2024 | 8.52 t |
| 1987 | 8.86 t | 2006 | 10.67 t | | |
| 1988 | 9.21 t | 2007 | 11.15 t | | |