表を表示
| 1970 | 2.5998 Mt | 1989 | 2.5774 Mt | 2008 | 7.2579 Mt |
| 1971 | 2.6049 Mt | 1990 | 2.7219 Mt | 2009 | 8.6753 Mt |
| 1972 | 2.8 Mt | 1991 | 3.14 Mt | 2010 | 9.1798 Mt |
| 1973 | 3.1257 Mt | 1992 | 3.7463 Mt | 2011 | 9.9976 Mt |
| 1974 | 3.1868 Mt | 1993 | 3.8287 Mt | 2012 | 10.45 Mt |
| 1975 | 3.2602 Mt | 1994 | 4.0734 Mt | 2013 | 10.26 Mt |
| 1976 | 3.2521 Mt | 1995 | 4.3833 Mt | 2014 | 10.77 Mt |
| 1977 | 3.2247 Mt | 1996 | 4.4136 Mt | 2015 | 10.63 Mt |
| 1978 | 3.0665 Mt | 1997 | 4.6401 Mt | 2016 | 10.66 Mt |
| 1979 | 3.3251 Mt | 1998 | 5.7195 Mt | 2017 | 10.15 Mt |
| 1980 | 3.1983 Mt | 1999 | 5.006 Mt | 2018 | 9.9261 Mt |
| 1981 | 2.7791 Mt | 2000 | 5.1903 Mt | 2019 | 13.16 Mt |
| 1982 | 3.1335 Mt | 2001 | 6.2056 Mt | 2020 | 9.7127 Mt |
| 1983 | 3.5931 Mt | 2002 | 5.4104 Mt | 2021 | 10.77 Mt |
| 1984 | 3.0011 Mt | 2003 | 5.4813 Mt | 2022 | 11.44 Mt |
| 1985 | 2.818 Mt | 2004 | 5.5089 Mt | 2023 | 12.74 Mt |
| 1986 | 2.9145 Mt | 2005 | 7.102 Mt | 2024 | 12.37 Mt |
| 1987 | 3.2242 Mt | 2006 | 7.4912 Mt | | |
| 1988 | 2.4675 Mt | 2007 | 7.478 Mt | | |
表を表示
| 1970 | 1.72 t | 1989 | 1.07 t | 2008 | 2.07 t |
| 1971 | 1.67 t | 1990 | 1.11 t | 2009 | 2.43 t |
| 1972 | 1.75 t | 1991 | 1.25 t | 2010 | 2.53 t |
| 1973 | 1.9 t | 1992 | 1.46 t | 2011 | 2.71 t |
| 1974 | 1.89 t | 1993 | 1.46 t | 2012 | 2.78 t |
| 1975 | 1.88 t | 1994 | 1.53 t | 2013 | 2.68 t |
| 1976 | 1.83 t | 1995 | 1.61 t | 2014 | 2.77 t |
| 1977 | 1.77 t | 1996 | 1.59 t | 2015 | 2.68 t |
| 1978 | 1.64 t | 1997 | 1.64 t | 2016 | 2.65 t |
| 1979 | 1.74 t | 1998 | 1.98 t | 2017 | 2.48 t |
| 1980 | 1.63 t | 1999 | 1.7 t | 2018 | 2.38 t |
| 1981 | 1.39 t | 2000 | 1.72 t | 2019 | 3.11 t |
| 1982 | 1.53 t | 2001 | 2.02 t | 2020 | 2.26 t |
| 1983 | 1.71 t | 2002 | 1.73 t | 2021 | 2.48 t |
| 1984 | 1.4 t | 2003 | 1.72 t | 2022 | 2.6 t |
| 1985 | 1.28 t | 2004 | 1.69 t | 2023 | 2.86 t |
| 1986 | 1.29 t | 2005 | 2.14 t | 2024 | 2.74 t |
| 1987 | 1.4 t | 2006 | 2.22 t | | |
| 1988 | 1.05 t | 2007 | 2.18 t | | |