表を表示
| 1970 | 2.5031 Mt | 1989 | 3.7605 Mt | 2008 | 11.56 Mt |
| 1971 | 2.502 Mt | 1990 | 3.9193 Mt | 2009 | 12.2 Mt |
| 1972 | 2.7444 Mt | 1991 | 4.1439 Mt | 2010 | 11.78 Mt |
| 1973 | 2.9141 Mt | 1992 | 4.8583 Mt | 2011 | 12.14 Mt |
| 1974 | 3.0229 Mt | 1993 | 5.388 Mt | 2012 | 12.58 Mt |
| 1975 | 3.324 Mt | 1994 | 5.8233 Mt | 2013 | 13.54 Mt |
| 1976 | 3.295 Mt | 1995 | 6.7944 Mt | 2014 | 14.54 Mt |
| 1977 | 3.777 Mt | 1996 | 6.6692 Mt | 2015 | 16.96 Mt |
| 1978 | 4.1761 Mt | 1997 | 6.9722 Mt | 2016 | 18.02 Mt |
| 1979 | 4.6554 Mt | 1998 | 8.702 Mt | 2017 | 17.06 Mt |
| 1980 | 4.6703 Mt | 1999 | 8.6453 Mt | 2018 | 18.74 Mt |
| 1981 | 4.0368 Mt | 2000 | 9.6791 Mt | 2019 | 19.66 Mt |
| 1982 | 3.6898 Mt | 2001 | 10.17 Mt | 2020 | 17.62 Mt |
| 1983 | 3.1342 Mt | 2002 | 10.64 Mt | 2021 | 20.2 Mt |
| 1984 | 3.5176 Mt | 2003 | 10.63 Mt | 2022 | 18.95 Mt |
| 1985 | 3.6965 Mt | 2004 | 10.84 Mt | 2023 | 20.13 Mt |
| 1986 | 3.2106 Mt | 2005 | 11.77 Mt | 2024 | 20.37 Mt |
| 1987 | 3.5898 Mt | 2006 | 11.93 Mt | | |
| 1988 | 3.5282 Mt | 2007 | 12.7 Mt | | |
表を表示
| 1970 | 0.46 t | 1989 | 0.43 t | 2008 | 0.83 t |
| 1971 | 0.45 t | 1990 | 0.43 t | 2009 | 0.86 t |
| 1972 | 0.48 t | 1991 | 0.45 t | 2010 | 0.81 t |
| 1973 | 0.5 t | 1992 | 0.51 t | 2011 | 0.82 t |
| 1974 | 0.51 t | 1993 | 0.55 t | 2012 | 0.83 t |
| 1975 | 0.54 t | 1994 | 0.58 t | 2013 | 0.88 t |
| 1976 | 0.53 t | 1995 | 0.66 t | 2014 | 0.93 t |
| 1977 | 0.59 t | 1996 | 0.63 t | 2015 | 1.06 t |
| 1978 | 0.64 t | 1997 | 0.64 t | 2016 | 1.11 t |
| 1979 | 0.69 t | 1998 | 0.78 t | 2017 | 1.03 t |
| 1980 | 0.68 t | 1999 | 0.76 t | 2018 | 1.11 t |
| 1981 | 0.57 t | 2000 | 0.83 t | 2019 | 1.15 t |
| 1982 | 0.51 t | 2001 | 0.85 t | 2020 | 1.02 t |
| 1983 | 0.42 t | 2002 | 0.87 t | 2021 | 1.15 t |
| 1984 | 0.46 t | 2003 | 0.85 t | 2022 | 1.06 t |
| 1985 | 0.47 t | 2004 | 0.85 t | 2023 | 1.11 t |
| 1986 | 0.4 t | 2005 | 0.9 t | 2024 | 1.11 t |
| 1987 | 0.43 t | 2006 | 0.89 t | | |
| 1988 | 0.41 t | 2007 | 0.93 t | | |