表を表示
| 1970 | 0.4594 Mt | 1989 | 0.9064 Mt | 2008 | 2.062 Mt |
| 1971 | 0.4622 Mt | 1990 | 0.947 Mt | 2009 | 2.1879 Mt |
| 1972 | 0.4647 Mt | 1991 | 0.923 Mt | 2010 | 2.5103 Mt |
| 1973 | 0.4807 Mt | 1992 | 0.8258 Mt | 2011 | 2.6535 Mt |
| 1974 | 0.5137 Mt | 1993 | 0.8505 Mt | 2012 | 2.5111 Mt |
| 1975 | 0.5305 Mt | 1994 | 0.8643 Mt | 2013 | 2.2699 Mt |
| 1976 | 0.5501 Mt | 1995 | 0.8809 Mt | 2014 | 2.3734 Mt |
| 1977 | 0.57 Mt | 1996 | 0.9112 Mt | 2015 | 2.8673 Mt |
| 1978 | 0.5819 Mt | 1997 | 0.9158 Mt | 2016 | 3.2295 Mt |
| 1979 | 0.6615 Mt | 1998 | 0.9518 Mt | 2017 | 3.2701 Mt |
| 1980 | 0.6504 Mt | 1999 | 0.9959 Mt | 2018 | 3.7415 Mt |
| 1981 | 0.6161 Mt | 2000 | 1.4601 Mt | 2019 | 4.814 Mt |
| 1982 | 0.586 Mt | 2001 | 1.5754 Mt | 2020 | 5.3934 Mt |
| 1983 | 0.6462 Mt | 2002 | 1.698 Mt | 2021 | 5.0777 Mt |
| 1984 | 0.6285 Mt | 2003 | 1.7983 Mt | 2022 | 5.2208 Mt |
| 1985 | 0.5891 Mt | 2004 | 1.8304 Mt | 2023 | 5.0264 Mt |
| 1986 | 0.7371 Mt | 2005 | 1.7523 Mt | 2024 | 5.2054 Mt |
| 1987 | 1.0722 Mt | 2006 | 1.8567 Mt | | |
| 1988 | 1.0063 Mt | 2007 | 1.9398 Mt | | |
表を表示
| 1970 | 0.11 t | 1989 | 0.15 t | 2008 | 0.21 t |
| 1971 | 0.11 t | 1990 | 0.15 t | 2009 | 0.22 t |
| 1972 | 0.1 t | 1991 | 0.14 t | 2010 | 0.24 t |
| 1973 | 0.11 t | 1992 | 0.12 t | 2011 | 0.25 t |
| 1974 | 0.11 t | 1993 | 0.12 t | 2012 | 0.23 t |
| 1975 | 0.11 t | 1994 | 0.12 t | 2013 | 0.2 t |
| 1976 | 0.12 t | 1995 | 0.12 t | 2014 | 0.21 t |
| 1977 | 0.12 t | 1996 | 0.12 t | 2015 | 0.24 t |
| 1978 | 0.12 t | 1997 | 0.12 t | 2016 | 0.27 t |
| 1979 | 0.13 t | 1998 | 0.12 t | 2017 | 0.26 t |
| 1980 | 0.13 t | 1999 | 0.12 t | 2018 | 0.29 t |
| 1981 | 0.12 t | 2000 | 0.17 t | 2019 | 0.37 t |
| 1982 | 0.11 t | 2001 | 0.18 t | 2020 | 0.4 t |
| 1983 | 0.12 t | 2002 | 0.2 t | 2021 | 0.37 t |
| 1984 | 0.11 t | 2003 | 0.2 t | 2022 | 0.37 t |
| 1985 | 0.11 t | 2004 | 0.2 t | 2023 | 0.35 t |
| 1986 | 0.13 t | 2005 | 0.19 t | 2024 | 0.35 t |
| 1987 | 0.18 t | 2006 | 0.2 t | | |
| 1988 | 0.17 t | 2007 | 0.2 t | | |