表を表示
| 1970 | 2.7408 Mt | 1989 | 9.5111 Mt | 2008 | 20.49 Mt |
| 1971 | 2.7614 Mt | 1990 | 10.07 Mt | 2009 | 21.06 Mt |
| 1972 | 2.3157 Mt | 1991 | 10.09 Mt | 2010 | 20.59 Mt |
| 1973 | 2.614 Mt | 1992 | 11.97 Mt | 2011 | 21.01 Mt |
| 1974 | 2.8415 Mt | 1993 | 12.43 Mt | 2012 | 24.53 Mt |
| 1975 | 3.1514 Mt | 1994 | 12.99 Mt | 2013 | 24.1 Mt |
| 1976 | 3.7715 Mt | 1995 | 13.8 Mt | 2014 | 25.84 Mt |
| 1977 | 3.9046 Mt | 1996 | 14.12 Mt | 2015 | 25.63 Mt |
| 1978 | 4.7339 Mt | 1997 | 14.62 Mt | 2016 | 25.24 Mt |
| 1979 | 5.0484 Mt | 1998 | 14.84 Mt | 2017 | 26.55 Mt |
| 1980 | 6.4199 Mt | 1999 | 14.86 Mt | 2018 | 25.21 Mt |
| 1981 | 7.4096 Mt | 2000 | 16.47 Mt | 2019 | 23.29 Mt |
| 1982 | 7.8403 Mt | 2001 | 16.51 Mt | 2020 | 20.95 Mt |
| 1983 | 9.0559 Mt | 2002 | 17.21 Mt | 2021 | 21.74 Mt |
| 1984 | 9.9188 Mt | 2003 | 17.65 Mt | 2022 | 23.34 Mt |
| 1985 | 10.14 Mt | 2004 | 19.02 Mt | 2023 | 24.04 Mt |
| 1986 | 10.78 Mt | 2005 | 20.31 Mt | 2024 | 24.14 Mt |
| 1987 | 12.02 Mt | 2006 | 20.54 Mt | | |
| 1988 | 11.59 Mt | 2007 | 21.34 Mt | | |
表を表示
| 1970 | 1.75 t | 1989 | 2.84 t | 2008 | 2.93 t |
| 1971 | 1.68 t | 1990 | 2.78 t | 2009 | 2.95 t |
| 1972 | 1.35 t | 1991 | 2.58 t | 2010 | 2.82 t |
| 1973 | 1.47 t | 1992 | 2.9 t | 2011 | 2.81 t |
| 1974 | 1.54 t | 1993 | 2.86 t | 2012 | 3.23 t |
| 1975 | 1.66 t | 1994 | 2.85 t | 2013 | 3.02 t |
| 1976 | 1.93 t | 1995 | 2.9 t | 2014 | 2.94 t |
| 1977 | 1.93 t | 1996 | 2.88 t | 2015 | 2.69 t |
| 1978 | 2.27 t | 1997 | 2.9 t | 2016 | 2.52 t |
| 1979 | 2.34 t | 1998 | 2.87 t | 2017 | 2.59 t |
| 1980 | 2.87 t | 1999 | 2.82 t | 2018 | 2.41 t |
| 1981 | 3.19 t | 2000 | 3.06 t | 2019 | 2.18 t |
| 1982 | 3.23 t | 2001 | 3 t | 2020 | 1.93 t |
| 1983 | 3.57 t | 2002 | 3.06 t | 2021 | 1.96 t |
| 1984 | 3.74 t | 2003 | 3.07 t | 2022 | 2.07 t |
| 1985 | 3.65 t | 2004 | 3.23 t | 2023 | 2.1 t |
| 1986 | 3.7 t | 2005 | 3.37 t | 2024 | 2.09 t |
| 1987 | 3.95 t | 2006 | 3.2 t | | |
| 1988 | 3.63 t | 2007 | 3.13 t | | |