表を表示
| 1970 | 1.3492 Mt | 1989 | 2.2776 Mt | 2008 | 6.4443 Mt |
| 1971 | 1.3488 Mt | 1990 | 2.3652 Mt | 2009 | 6.593 Mt |
| 1972 | 1.4312 Mt | 1991 | 2.3784 Mt | 2010 | 6.9781 Mt |
| 1973 | 1.5399 Mt | 1992 | 2.6138 Mt | 2011 | 7.479 Mt |
| 1974 | 1.6497 Mt | 1993 | 2.5522 Mt | 2012 | 7.3641 Mt |
| 1975 | 1.7995 Mt | 1994 | 2.6067 Mt | 2013 | 7.8409 Mt |
| 1976 | 1.8841 Mt | 1995 | 2.7547 Mt | 2014 | 8.3827 Mt |
| 1977 | 2.0046 Mt | 1996 | 2.9716 Mt | 2015 | 9.2184 Mt |
| 1978 | 1.9599 Mt | 1997 | 3.269 Mt | 2016 | 10.3 Mt |
| 1979 | 2.1683 Mt | 1998 | 3.6668 Mt | 2017 | 10.2 Mt |
| 1980 | 2.2436 Mt | 1999 | 4.0462 Mt | 2018 | 10.74 Mt |
| 1981 | 2.2149 Mt | 2000 | 3.9891 Mt | 2019 | 11.03 Mt |
| 1982 | 2.121 Mt | 2001 | 4.5133 Mt | 2020 | 10.81 Mt |
| 1983 | 2.1127 Mt | 2002 | 4.6805 Mt | 2021 | 13.12 Mt |
| 1984 | 2.2599 Mt | 2003 | 4.5437 Mt | 2022 | 14.54 Mt |
| 1985 | 2.3373 Mt | 2004 | 5.177 Mt | 2023 | 13.72 Mt |
| 1986 | 2.2366 Mt | 2005 | 5.7486 Mt | 2024 | 14.2 Mt |
| 1987 | 2.2534 Mt | 2006 | 5.6142 Mt | | |
| 1988 | 2.167 Mt | 2007 | 6.2195 Mt | | |
表を表示
| 1970 | 0.3 t | 1989 | 0.3 t | 2008 | 0.53 t |
| 1971 | 0.29 t | 1990 | 0.31 t | 2009 | 0.53 t |
| 1972 | 0.3 t | 1991 | 0.3 t | 2010 | 0.55 t |
| 1973 | 0.32 t | 1992 | 0.32 t | 2011 | 0.58 t |
| 1974 | 0.33 t | 1993 | 0.3 t | 2012 | 0.55 t |
| 1975 | 0.35 t | 1994 | 0.3 t | 2013 | 0.57 t |
| 1976 | 0.35 t | 1995 | 0.31 t | 2014 | 0.59 t |
| 1977 | 0.37 t | 1996 | 0.33 t | 2015 | 0.63 t |
| 1978 | 0.35 t | 1997 | 0.35 t | 2016 | 0.68 t |
| 1979 | 0.38 t | 1998 | 0.39 t | 2017 | 0.66 t |
| 1980 | 0.38 t | 1999 | 0.42 t | 2018 | 0.67 t |
| 1981 | 0.37 t | 2000 | 0.4 t | 2019 | 0.67 t |
| 1982 | 0.34 t | 2001 | 0.44 t | 2020 | 0.64 t |
| 1983 | 0.33 t | 2002 | 0.45 t | 2021 | 0.76 t |
| 1984 | 0.35 t | 2003 | 0.42 t | 2022 | 0.82 t |
| 1985 | 0.35 t | 2004 | 0.47 t | 2023 | 0.76 t |
| 1986 | 0.33 t | 2005 | 0.51 t | 2024 | 0.77 t |
| 1987 | 0.32 t | 2006 | 0.49 t | | |
| 1988 | 0.3 t | 2007 | 0.53 t | | |