表を表示
| 1970 | 5.0207 Mt | 1989 | 16.34 Mt | 2008 | 32.67 Mt |
| 1971 | 4.4918 Mt | 1990 | 17.56 Mt | 2009 | 35.39 Mt |
| 1972 | 4.4818 Mt | 1991 | 17.59 Mt | 2010 | 38.25 Mt |
| 1973 | 5.6672 Mt | 1992 | 18.53 Mt | 2011 | 38.32 Mt |
| 1974 | 6.9189 Mt | 1993 | 18.08 Mt | 2012 | 38.66 Mt |
| 1975 | 7.4984 Mt | 1994 | 18.95 Mt | 2013 | 41.16 Mt |
| 1976 | 8.5878 Mt | 1995 | 20.8 Mt | 2014 | 43.46 Mt |
| 1977 | 9.9803 Mt | 1996 | 23.97 Mt | 2015 | 43.28 Mt |
| 1978 | 11.22 Mt | 1997 | 24.99 Mt | 2016 | 42.07 Mt |
| 1979 | 12.15 Mt | 1998 | 24.53 Mt | 2017 | 41.06 Mt |
| 1980 | 12.8 Mt | 1999 | 21.71 Mt | 2018 | 42.21 Mt |
| 1981 | 14.09 Mt | 2000 | 22.06 Mt | 2019 | 41.93 Mt |
| 1982 | 14.18 Mt | 2001 | 24.32 Mt | 2020 | 36.6 Mt |
| 1983 | 13.33 Mt | 2002 | 24.3 Mt | 2021 | 41.16 Mt |
| 1984 | 14 Mt | 2003 | 24.94 Mt | 2022 | 44.17 Mt |
| 1985 | 15.06 Mt | 2004 | 26.77 Mt | 2023 | 46.79 Mt |
| 1986 | 15.75 Mt | 2005 | 28.87 Mt | 2024 | 47.96 Mt |
| 1987 | 14.49 Mt | 2006 | 30.98 Mt | | |
| 1988 | 16.27 Mt | 2007 | 31.65 Mt | | |
表を表示
| 1970 | 0.82 t | 1989 | 1.6 t | 2008 | 2.24 t |
| 1971 | 0.71 t | 1990 | 1.68 t | 2009 | 2.39 t |
| 1972 | 0.69 t | 1991 | 1.64 t | 2010 | 2.54 t |
| 1973 | 0.84 t | 1992 | 1.7 t | 2011 | 2.5 t |
| 1974 | 1 t | 1993 | 1.62 t | 2012 | 2.48 t |
| 1975 | 1.05 t | 1994 | 1.67 t | 2013 | 2.6 t |
| 1976 | 1.17 t | 1995 | 1.79 t | 2014 | 2.71 t |
| 1977 | 1.33 t | 1996 | 2.03 t | 2015 | 2.66 t |
| 1978 | 1.45 t | 1997 | 2.08 t | 2016 | 2.55 t |
| 1979 | 1.53 t | 1998 | 2 t | 2017 | 2.45 t |
| 1980 | 1.57 t | 1999 | 1.74 t | 2018 | 2.48 t |
| 1981 | 1.68 t | 2000 | 1.74 t | 2019 | 2.42 t |
| 1982 | 1.65 t | 2001 | 1.88 t | 2020 | 2.09 t |
| 1983 | 1.51 t | 2002 | 1.85 t | 2021 | 2.33 t |
| 1984 | 1.54 t | 2003 | 1.87 t | 2022 | 2.48 t |
| 1985 | 1.62 t | 2004 | 1.97 t | 2023 | 2.6 t |
| 1986 | 1.65 t | 2005 | 2.08 t | 2024 | 2.64 t |
| 1987 | 1.48 t | 2006 | 2.2 t | | |
| 1988 | 1.63 t | 2007 | 2.21 t | | |