表を表示
| 1970 | 0.0599 Mt | 1989 | 0.0969 Mt | 2008 | 0.1628 Mt |
| 1971 | 0.0599 Mt | 1990 | 0.1265 Mt | 2009 | 0.1967 Mt |
| 1972 | 0.0726 Mt | 1991 | 0.1448 Mt | 2010 | 0.2333 Mt |
| 1973 | 0.0733 Mt | 1992 | 0.1212 Mt | 2011 | 0.15 Mt |
| 1974 | 0.0654 Mt | 1993 | 0.1183 Mt | 2012 | 0.1629 Mt |
| 1975 | 0.079 Mt | 1994 | 0.1149 Mt | 2013 | 0.2057 Mt |
| 1976 | 0.0717 Mt | 1995 | 0.1298 Mt | 2014 | 0.2045 Mt |
| 1977 | 0.0791 Mt | 1996 | 0.108 Mt | 2015 | 0.2472 Mt |
| 1978 | 0.0791 Mt | 1997 | 0.1858 Mt | 2016 | 0.2608 Mt |
| 1979 | 0.0782 Mt | 1998 | 0.1889 Mt | 2017 | 0.2847 Mt |
| 1980 | 0.0774 Mt | 1999 | 0.1973 Mt | 2018 | 0.2846 Mt |
| 1981 | 0.0713 Mt | 2000 | 0.1397 Mt | 2019 | 0.3982 Mt |
| 1982 | 0.0625 Mt | 2001 | 0.1425 Mt | 2020 | 0.3186 Mt |
| 1983 | 0.0613 Mt | 2002 | 0.1422 Mt | 2021 | 0.3361 Mt |
| 1984 | 0.0727 Mt | 2003 | 0.1497 Mt | 2022 | 0.3545 Mt |
| 1985 | 0.073 Mt | 2004 | 0.1372 Mt | 2023 | 0.3756 Mt |
| 1986 | 0.0942 Mt | 2005 | 0.1509 Mt | 2024 | 0.3889 Mt |
| 1987 | 0.0822 Mt | 2006 | 0.1745 Mt | | |
| 1988 | 0.0647 Mt | 2007 | 0.1684 Mt | | |
表を表示
| 1970 | 0.5 t | 1989 | 0.54 t | 2008 | 0.53 t |
| 1971 | 0.49 t | 1990 | 0.69 t | 2009 | 0.63 t |
| 1972 | 0.58 t | 1991 | 0.77 t | 2010 | 0.73 t |
| 1973 | 0.58 t | 1992 | 0.63 t | 2011 | 0.46 t |
| 1974 | 0.51 t | 1993 | 0.61 t | 2012 | 0.49 t |
| 1975 | 0.61 t | 1994 | 0.58 t | 2013 | 0.6 t |
| 1976 | 0.54 t | 1995 | 0.64 t | 2014 | 0.59 t |
| 1977 | 0.58 t | 1996 | 0.51 t | 2015 | 0.69 t |
| 1978 | 0.57 t | 1997 | 0.85 t | 2016 | 0.72 t |
| 1979 | 0.55 t | 1998 | 0.84 t | 2017 | 0.76 t |
| 1980 | 0.53 t | 1999 | 0.85 t | 2018 | 0.75 t |
| 1981 | 0.48 t | 2000 | 0.58 t | 2019 | 1.03 t |
| 1982 | 0.41 t | 2001 | 0.57 t | 2020 | 0.82 t |
| 1983 | 0.39 t | 2002 | 0.56 t | 2021 | 0.85 t |
| 1984 | 0.45 t | 2003 | 0.57 t | 2022 | 0.88 t |
| 1985 | 0.45 t | 2004 | 0.5 t | 2023 | 0.91 t |
| 1986 | 0.56 t | 2005 | 0.54 t | 2024 | 0.93 t |
| 1987 | 0.48 t | 2006 | 0.61 t | | |
| 1988 | 0.37 t | 2007 | 0.57 t | | |