表を表示
| 1970 | 1.1282 Mt | 1989 | 2.0314 Mt | 2008 | 5.102 Mt |
| 1971 | 1.1283 Mt | 1990 | 2.1499 Mt | 2009 | 4.9502 Mt |
| 1972 | 1.2031 Mt | 1991 | 2.2029 Mt | 2010 | 4.2314 Mt |
| 1973 | 1.4471 Mt | 1992 | 2.4904 Mt | 2011 | 4.4692 Mt |
| 1974 | 1.7757 Mt | 1993 | 2.5382 Mt | 2012 | 4.2609 Mt |
| 1975 | 1.4671 Mt | 1994 | 2.5287 Mt | 2013 | 4.5767 Mt |
| 1976 | 1.4456 Mt | 1995 | 2.4534 Mt | 2014 | 5.5379 Mt |
| 1977 | 1.5264 Mt | 1996 | 2.5119 Mt | 2015 | 5.9739 Mt |
| 1978 | 1.5148 Mt | 1997 | 2.6349 Mt | 2016 | 6.621 Mt |
| 1979 | 1.6278 Mt | 1998 | 3.2909 Mt | 2017 | 5.7792 Mt |
| 1980 | 1.7528 Mt | 1999 | 2.6833 Mt | 2018 | 4.904 Mt |
| 1981 | 1.7349 Mt | 2000 | 2.9145 Mt | 2019 | 5.0364 Mt |
| 1982 | 1.7092 Mt | 2001 | 3.5427 Mt | 2020 | 5.4744 Mt |
| 1983 | 1.6891 Mt | 2002 | 4.0639 Mt | 2021 | 5.3867 Mt |
| 1984 | 1.7571 Mt | 2003 | 4.5293 Mt | 2022 | 5.5295 Mt |
| 1985 | 1.939 Mt | 2004 | 4.819 Mt | 2023 | 5.498 Mt |
| 1986 | 1.7213 Mt | 2005 | 5.2298 Mt | 2024 | 5.4677 Mt |
| 1987 | 2.189 Mt | 2006 | 5.3175 Mt | | |
| 1988 | 2.0541 Mt | 2007 | 5.2839 Mt | | |
表を表示
| 1970 | 0.45 t | 1989 | 0.54 t | 2008 | 0.71 t |
| 1971 | 0.44 t | 1990 | 0.55 t | 2009 | 0.67 t |
| 1972 | 0.46 t | 1991 | 0.55 t | 2010 | 0.55 t |
| 1973 | 0.54 t | 1992 | 0.6 t | 2011 | 0.57 t |
| 1974 | 0.65 t | 1993 | 0.59 t | 2012 | 0.53 t |
| 1975 | 0.52 t | 1994 | 0.56 t | 2013 | 0.55 t |
| 1976 | 0.5 t | 1995 | 0.53 t | 2014 | 0.65 t |
| 1977 | 0.52 t | 1996 | 0.52 t | 2015 | 0.68 t |
| 1978 | 0.5 t | 1997 | 0.53 t | 2016 | 0.74 t |
| 1979 | 0.53 t | 1998 | 0.64 t | 2017 | 0.63 t |
| 1980 | 0.56 t | 1999 | 0.5 t | 2018 | 0.52 t |
| 1981 | 0.54 t | 2000 | 0.53 t | 2019 | 0.52 t |
| 1982 | 0.52 t | 2001 | 0.62 t | 2020 | 0.56 t |
| 1983 | 0.51 t | 2002 | 0.69 t | 2021 | 0.54 t |
| 1984 | 0.52 t | 2003 | 0.74 t | 2022 | 0.54 t |
| 1985 | 0.56 t | 2004 | 0.76 t | 2023 | 0.53 t |
| 1986 | 0.48 t | 2005 | 0.8 t | 2024 | 0.52 t |
| 1987 | 0.6 t | 2006 | 0.79 t | | |
| 1988 | 0.55 t | 2007 | 0.76 t | | |