表を表示
| 1970 | 1.1679 Mt | 1989 | 2.0929 Mt | 2008 | 6.8646 Mt |
| 1971 | 1.1716 Mt | 1990 | 2.1875 Mt | 2009 | 6.9098 Mt |
| 1972 | 1.0879 Mt | 1991 | 2.1659 Mt | 2010 | 6.8811 Mt |
| 1973 | 1.1881 Mt | 1992 | 1.6961 Mt | 2011 | 7.9585 Mt |
| 1974 | 1.2027 Mt | 1993 | 2.159 Mt | 2012 | 8.9861 Mt |
| 1975 | 1.07 Mt | 1994 | 2.4964 Mt | 2013 | 10.44 Mt |
| 1976 | 1.0653 Mt | 1995 | 2.8264 Mt | 2014 | 12.4 Mt |
| 1977 | 1.1366 Mt | 1996 | 3.1872 Mt | 2015 | 13.51 Mt |
| 1978 | 1.1728 Mt | 1997 | 3.3333 Mt | 2016 | 16.03 Mt |
| 1979 | 1.2185 Mt | 1998 | 3.5419 Mt | 2017 | 15.87 Mt |
| 1980 | 1.2537 Mt | 1999 | 3.4961 Mt | 2018 | 17.47 Mt |
| 1981 | 1.3629 Mt | 2000 | 3.8766 Mt | 2019 | 18.48 Mt |
| 1982 | 1.2505 Mt | 2001 | 4.7877 Mt | 2020 | 18.02 Mt |
| 1983 | 1.3352 Mt | 2002 | 4.9217 Mt | 2021 | 19.09 Mt |
| 1984 | 1.2428 Mt | 2003 | 5.2607 Mt | 2022 | 18.33 Mt |
| 1985 | 1.2923 Mt | 2004 | 5.7314 Mt | 2023 | 19.02 Mt |
| 1986 | 1.6232 Mt | 2005 | 5.4729 Mt | 2024 | 19.36 Mt |
| 1987 | 1.9005 Mt | 2006 | 5.7957 Mt | | |
| 1988 | 1.9845 Mt | 2007 | 6.3513 Mt | | |
表を表示
| 1970 | 0.04 t | 1989 | 0.05 t | 2008 | 0.08 t |
| 1971 | 0.04 t | 1990 | 0.05 t | 2009 | 0.08 t |
| 1972 | 0.04 t | 1991 | 0.04 t | 2010 | 0.08 t |
| 1973 | 0.04 t | 1992 | 0.03 t | 2011 | 0.09 t |
| 1974 | 0.04 t | 1993 | 0.04 t | 2012 | 0.09 t |
| 1975 | 0.03 t | 1994 | 0.04 t | 2013 | 0.11 t |
| 1976 | 0.03 t | 1995 | 0.05 t | 2014 | 0.12 t |
| 1977 | 0.03 t | 1996 | 0.05 t | 2015 | 0.13 t |
| 1978 | 0.03 t | 1997 | 0.05 t | 2016 | 0.15 t |
| 1979 | 0.04 t | 1998 | 0.06 t | 2017 | 0.14 t |
| 1980 | 0.04 t | 1999 | 0.05 t | 2018 | 0.16 t |
| 1981 | 0.04 t | 2000 | 0.06 t | 2019 | 0.16 t |
| 1982 | 0.03 t | 2001 | 0.07 t | 2020 | 0.15 t |
| 1983 | 0.04 t | 2002 | 0.07 t | 2021 | 0.16 t |
| 1984 | 0.03 t | 2003 | 0.07 t | 2022 | 0.15 t |
| 1985 | 0.03 t | 2004 | 0.08 t | 2023 | 0.15 t |
| 1986 | 0.04 t | 2005 | 0.07 t | 2024 | 0.15 t |
| 1987 | 0.04 t | 2006 | 0.07 t | | |
| 1988 | 0.04 t | 2007 | 0.08 t | | |