表を表示
| 1970 | 1.8033 Mt | 1989 | 2.42 Mt | 2008 | 4.4322 Mt |
| 1971 | 2.0656 Mt | 1990 | 2.3845 Mt | 2009 | 4.9164 Mt |
| 1972 | 1.9782 Mt | 1991 | 2.433 Mt | 2010 | 5.2916 Mt |
| 1973 | 8.9589 Mt | 1992 | 2.3728 Mt | 2011 | 4.8514 Mt |
| 1974 | 12.88 Mt | 1993 | 2.3419 Mt | 2012 | 4.4794 Mt |
| 1975 | 7.9651 Mt | 1994 | 2.1441 Mt | 2013 | 5.4392 Mt |
| 1976 | 7.6969 Mt | 1995 | 2.7302 Mt | 2014 | 5.2771 Mt |
| 1977 | 2.4694 Mt | 1996 | 3.2864 Mt | 2015 | 5.7506 Mt |
| 1978 | 1.5294 Mt | 1997 | 3.3844 Mt | 2016 | 5.5904 Mt |
| 1979 | 1.3889 Mt | 1998 | 4.0266 Mt | 2017 | 5.5312 Mt |
| 1980 | 1.8232 Mt | 1999 | 4.169 Mt | 2018 | 6.422 Mt |
| 1981 | 2.048 Mt | 2000 | 4.5119 Mt | 2019 | 7.2394 Mt |
| 1982 | 2.3753 Mt | 2001 | 4.3989 Mt | 2020 | 7.403 Mt |
| 1983 | 2.4495 Mt | 2002 | 2.8595 Mt | 2021 | 7.108 Mt |
| 1984 | 2.4174 Mt | 2003 | 3.5666 Mt | 2022 | 8.3582 Mt |
| 1985 | 2.4565 Mt | 2004 | 3.6199 Mt | 2023 | 7.8674 Mt |
| 1986 | 2.3933 Mt | 2005 | 4.3306 Mt | 2024 | 8.4568 Mt |
| 1987 | 2.4445 Mt | 2006 | 4.8177 Mt | | |
| 1988 | 2.4172 Mt | 2007 | 4.2647 Mt | | |
表を表示
| 1970 | 1.29 t | 1989 | 1.05 t | 2008 | 1.08 t |
| 1971 | 1.43 t | 1990 | 1 t | 2009 | 1.15 t |
| 1972 | 1.33 t | 1991 | 0.99 t | 2010 | 1.19 t |
| 1973 | 5.84 t | 1992 | 0.94 t | 2011 | 1.05 t |
| 1974 | 8.14 t | 1993 | 0.9 t | 2012 | 0.94 t |
| 1975 | 4.9 t | 1994 | 0.8 t | 2013 | 1.12 t |
| 1976 | 4.62 t | 1995 | 0.99 t | 2014 | 1.06 t |
| 1977 | 1.45 t | 1996 | 1.16 t | 2015 | 1.13 t |
| 1978 | 0.87 t | 1997 | 1.17 t | 2016 | 1.07 t |
| 1979 | 0.78 t | 1998 | 1.36 t | 2017 | 1.03 t |
| 1980 | 1 t | 1999 | 1.37 t | 2018 | 1.17 t |
| 1981 | 1.1 t | 2000 | 1.43 t | 2019 | 1.29 t |
| 1982 | 1.24 t | 2001 | 1.34 t | 2020 | 1.29 t |
| 1983 | 1.26 t | 2002 | 0.85 t | 2021 | 1.21 t |
| 1984 | 1.21 t | 2003 | 1.04 t | 2022 | 1.38 t |
| 1985 | 1.19 t | 2004 | 1.02 t | 2023 | 1.27 t |
| 1986 | 1.13 t | 2005 | 1.17 t | 2024 | 1.34 t |
| 1987 | 1.12 t | 2006 | 1.26 t | | |
| 1988 | 1.08 t | 2007 | 1.07 t | | |