表を表示
| 1970 | 0.5336 Mt | 1989 | 1.1616 Mt | 2008 | 2.1633 Mt |
| 1971 | 0.5385 Mt | 1990 | 1.1416 Mt | 2009 | 2.1233 Mt |
| 1972 | 0.5228 Mt | 1991 | 1.1141 Mt | 2010 | 2.5989 Mt |
| 1973 | 0.5501 Mt | 1992 | 1.0366 Mt | 2011 | 2.9444 Mt |
| 1974 | 0.5992 Mt | 1993 | 0.8775 Mt | 2012 | 2.7586 Mt |
| 1975 | 0.606 Mt | 1994 | 0.4142 Mt | 2013 | 2.9774 Mt |
| 1976 | 0.8111 Mt | 1995 | 1.1266 Mt | 2014 | 3.2283 Mt |
| 1977 | 0.8469 Mt | 1996 | 1.2806 Mt | 2015 | 3.494 Mt |
| 1978 | 0.8864 Mt | 1997 | 1.4957 Mt | 2016 | 3.578 Mt |
| 1979 | 0.8686 Mt | 1998 | 1.5327 Mt | 2017 | 3.5867 Mt |
| 1980 | 0.8591 Mt | 1999 | 1.603 Mt | 2018 | 3.5577 Mt |
| 1981 | 0.7533 Mt | 2000 | 1.6951 Mt | 2019 | 3.5949 Mt |
| 1982 | 0.893 Mt | 2001 | 1.728 Mt | 2020 | 3.4445 Mt |
| 1983 | 0.9832 Mt | 2002 | 1.9515 Mt | 2021 | 3.4083 Mt |
| 1984 | 1.0128 Mt | 2003 | 1.9374 Mt | 2022 | 3.3893 Mt |
| 1985 | 1.047 Mt | 2004 | 1.7908 Mt | 2023 | 3.3805 Mt |
| 1986 | 0.9791 Mt | 2005 | 1.8291 Mt | 2024 | 3.5138 Mt |
| 1987 | 1.0568 Mt | 2006 | 1.8514 Mt | | |
| 1988 | 1.1321 Mt | 2007 | 2.1838 Mt | | |
表を表示
| 1970 | 0.12 t | 1989 | 0.17 t | 2008 | 0.23 t |
| 1971 | 0.11 t | 1990 | 0.17 t | 2009 | 0.22 t |
| 1972 | 0.11 t | 1991 | 0.16 t | 2010 | 0.27 t |
| 1973 | 0.11 t | 1992 | 0.15 t | 2011 | 0.3 t |
| 1974 | 0.12 t | 1993 | 0.12 t | 2012 | 0.27 t |
| 1975 | 0.12 t | 1994 | 0.06 t | 2013 | 0.29 t |
| 1976 | 0.16 t | 1995 | 0.15 t | 2014 | 0.31 t |
| 1977 | 0.16 t | 1996 | 0.17 t | 2015 | 0.33 t |
| 1978 | 0.16 t | 1997 | 0.19 t | 2016 | 0.34 t |
| 1979 | 0.16 t | 1998 | 0.19 t | 2017 | 0.33 t |
| 1980 | 0.15 t | 1999 | 0.2 t | 2018 | 0.32 t |
| 1981 | 0.13 t | 2000 | 0.2 t | 2019 | 0.32 t |
| 1982 | 0.15 t | 2001 | 0.2 t | 2020 | 0.31 t |
| 1983 | 0.17 t | 2002 | 0.23 t | 2021 | 0.3 t |
| 1984 | 0.17 t | 2003 | 0.22 t | 2022 | 0.29 t |
| 1985 | 0.17 t | 2004 | 0.2 t | 2023 | 0.29 t |
| 1986 | 0.16 t | 2005 | 0.2 t | 2024 | 0.3 t |
| 1987 | 0.16 t | 2006 | 0.2 t | | |
| 1988 | 0.17 t | 2007 | 0.23 t | | |