表を表示
| 1970 | 0.3337 Mt | 1989 | 0.7676 Mt | 2008 | 3.0854 Mt |
| 1971 | 0.3348 Mt | 1990 | 1.0884 Mt | 2009 | 4.064 Mt |
| 1972 | 0.4084 Mt | 1991 | 1.3407 Mt | 2010 | 4.785 Mt |
| 1973 | 0.5472 Mt | 1992 | 1.411 Mt | 2011 | 5.3607 Mt |
| 1974 | 0.4909 Mt | 1993 | 1.5581 Mt | 2012 | 6.2251 Mt |
| 1975 | 0.4105 Mt | 1994 | 1.8967 Mt | 2013 | 6.2963 Mt |
| 1976 | 0.3535 Mt | 1995 | 2.0616 Mt | 2014 | 7.3524 Mt |
| 1977 | 0.3964 Mt | 1996 | 2.1884 Mt | 2015 | 7.3221 Mt |
| 1978 | 0.377 Mt | 1997 | 2.4175 Mt | 2016 | 10.76 Mt |
| 1979 | 0.5481 Mt | 1998 | 2.5646 Mt | 2017 | 13.2 Mt |
| 1980 | 0.6115 Mt | 1999 | 3.3362 Mt | 2018 | 14.93 Mt |
| 1981 | 0.5364 Mt | 2000 | 3.4194 Mt | 2019 | 13.46 Mt |
| 1982 | 0.601 Mt | 2001 | 3.6551 Mt | 2020 | 16.46 Mt |
| 1983 | 0.8273 Mt | 2002 | 2.9843 Mt | 2021 | 17.38 Mt |
| 1984 | 0.8878 Mt | 2003 | 3.3881 Mt | 2022 | 15.05 Mt |
| 1985 | 0.6772 Mt | 2004 | 2.9269 Mt | 2023 | 15.43 Mt |
| 1986 | 0.8956 Mt | 2005 | 3.2758 Mt | 2024 | 15.89 Mt |
| 1987 | 0.9529 Mt | 2006 | 2.7125 Mt | | |
| 1988 | 0.9553 Mt | 2007 | 2.7919 Mt | | |
表を表示
| 1970 | 0.03 t | 1989 | 0.04 t | 2008 | 0.11 t |
| 1971 | 0.03 t | 1990 | 0.06 t | 2009 | 0.15 t |
| 1972 | 0.03 t | 1991 | 0.07 t | 2010 | 0.18 t |
| 1973 | 0.04 t | 1992 | 0.07 t | 2011 | 0.2 t |
| 1974 | 0.04 t | 1993 | 0.07 t | 2012 | 0.23 t |
| 1975 | 0.03 t | 1994 | 0.09 t | 2013 | 0.23 t |
| 1976 | 0.02 t | 1995 | 0.09 t | 2014 | 0.27 t |
| 1977 | 0.03 t | 1996 | 0.1 t | 2015 | 0.26 t |
| 1978 | 0.03 t | 1997 | 0.1 t | 2016 | 0.39 t |
| 1979 | 0.04 t | 1998 | 0.11 t | 2017 | 0.47 t |
| 1980 | 0.04 t | 1999 | 0.14 t | 2018 | 0.53 t |
| 1981 | 0.03 t | 2000 | 0.14 t | 2019 | 0.47 t |
| 1982 | 0.04 t | 2001 | 0.15 t | 2020 | 0.57 t |
| 1983 | 0.05 t | 2002 | 0.12 t | 2021 | 0.59 t |
| 1984 | 0.05 t | 2003 | 0.13 t | 2022 | 0.51 t |
| 1985 | 0.04 t | 2004 | 0.11 t | 2023 | 0.52 t |
| 1986 | 0.05 t | 2005 | 0.12 t | 2024 | 0.54 t |
| 1987 | 0.05 t | 2006 | 0.1 t | | |
| 1988 | 0.05 t | 2007 | 0.1 t | | |