表を表示
| 1970 | 2.1681 Mt | 1989 | 4.3515 Mt | 2008 | 8.4942 Mt |
| 1971 | 2.1849 Mt | 1990 | 4.6392 Mt | 2009 | 8.2874 Mt |
| 1972 | 2.664 Mt | 1991 | 5.1626 Mt | 2010 | 7.9141 Mt |
| 1973 | 2.7722 Mt | 1992 | 5.4901 Mt | 2011 | 7.6571 Mt |
| 1974 | 2.1228 Mt | 1993 | 5.747 Mt | 2012 | 7.1222 Mt |
| 1975 | 2.1642 Mt | 1994 | 5.9913 Mt | 2013 | 6.4407 Mt |
| 1976 | 2.6321 Mt | 1995 | 5.861 Mt | 2014 | 6.8173 Mt |
| 1977 | 2.7944 Mt | 1996 | 6.2236 Mt | 2015 | 6.8562 Mt |
| 1978 | 2.9043 Mt | 1997 | 6.3122 Mt | 2016 | 7.2219 Mt |
| 1979 | 3.099 Mt | 1998 | 6.6171 Mt | 2017 | 7.3632 Mt |
| 1980 | 3.2705 Mt | 1999 | 6.8778 Mt | 2018 | 7.214 Mt |
| 1981 | 3.1319 Mt | 2000 | 7.1329 Mt | 2019 | 7.2168 Mt |
| 1982 | 3.1656 Mt | 2001 | 6.9985 Mt | 2020 | 6.8024 Mt |
| 1983 | 3.1513 Mt | 2002 | 7.176 Mt | 2021 | 6.9192 Mt |
| 1984 | 3.2033 Mt | 2003 | 7.8441 Mt | 2022 | 7.2231 Mt |
| 1985 | 3.147 Mt | 2004 | 7.7891 Mt | 2023 | 7.2032 Mt |
| 1986 | 3.4982 Mt | 2005 | 7.906 Mt | 2024 | 7.3411 Mt |
| 1987 | 4.06 Mt | 2006 | 8.0115 Mt | | |
| 1988 | 4.1148 Mt | 2007 | 8.3089 Mt | | |
表を表示
| 1970 | 3.35 t | 1989 | 5.6 t | 2008 | 7.79 t |
| 1971 | 3.34 t | 1990 | 5.88 t | 2009 | 7.47 t |
| 1972 | 4.03 t | 1991 | 6.46 t | 2010 | 7.02 t |
| 1973 | 4.16 t | 1992 | 6.78 t | 2011 | 6.68 t |
| 1974 | 3.2 t | 1993 | 6.96 t | 2012 | 6.11 t |
| 1975 | 3.28 t | 1994 | 7.09 t | 2013 | 5.44 t |
| 1976 | 3.98 t | 1995 | 6.79 t | 2014 | 5.67 t |
| 1977 | 4.19 t | 1996 | 7.07 t | 2015 | 5.62 t |
| 1978 | 4.32 t | 1997 | 7.03 t | 2016 | 5.84 t |
| 1979 | 4.57 t | 1998 | 7.24 t | 2017 | 5.87 t |
| 1980 | 4.79 t | 1999 | 7.39 t | 2018 | 5.68 t |
| 1981 | 4.55 t | 2000 | 7.53 t | 2019 | 5.61 t |
| 1982 | 4.55 t | 2001 | 7.26 t | 2020 | 5.22 t |
| 1983 | 4.46 t | 2002 | 7.31 t | 2021 | 5.25 t |
| 1984 | 4.45 t | 2003 | 7.85 t | 2022 | 5.43 t |
| 1985 | 4.3 t | 2004 | 7.65 t | 2023 | 5.36 t |
| 1986 | 4.71 t | 2005 | 7.63 t | 2024 | 5.4 t |
| 1987 | 5.38 t | 2006 | 7.6 t | | |
| 1988 | 5.37 t | 2007 | 7.75 t | | |