表を表示
| 1970 | 1.9948 Mt | 1989 | 2.1334 Mt | 2008 | 1.3978 Mt |
| 1971 | 1.9948 Mt | 1990 | 2.156 Mt | 2009 | 2.1738 Mt |
| 1972 | 1.9948 Mt | 1991 | 2.1399 Mt | 2010 | 2.1107 Mt |
| 1973 | 1.9948 Mt | 1992 | 1.9558 Mt | 2011 | 2.3697 Mt |
| 1974 | 1.9948 Mt | 1993 | 2.0017 Mt | 2012 | 3.6039 Mt |
| 1975 | 1.9948 Mt | 1994 | 2.9958 Mt | 2013 | 1.8243 Mt |
| 1976 | 1.9948 Mt | 1995 | 2.3497 Mt | 2014 | 1.2677 Mt |
| 1977 | 1.9948 Mt | 1996 | 2.2116 Mt | 2015 | 1.1954 Mt |
| 1978 | 1.9948 Mt | 1997 | 2.5182 Mt | 2016 | 1.1444 Mt |
| 1979 | 1.9948 Mt | 1998 | 2.2788 Mt | 2017 | 1.1964 Mt |
| 1980 | 1.9948 Mt | 1999 | 2.4199 Mt | 2018 | 1.2305 Mt |
| 1981 | 2.0249 Mt | 2000 | 2.122 Mt | 2019 | 1.2683 Mt |
| 1982 | 2.0104 Mt | 2001 | 2.3636 Mt | 2020 | 1.2764 Mt |
| 1983 | 2.0871 Mt | 2002 | 1.4441 Mt | 2021 | 1.329 Mt |
| 1984 | 2.3082 Mt | 2003 | 1.7181 Mt | 2022 | 1.3981 Mt |
| 1985 | 1.8678 Mt | 2004 | 1.5218 Mt | 2023 | 1.3979 Mt |
| 1986 | 2.036 Mt | 2005 | 1.7352 Mt | 2024 | 1.4659 Mt |
| 1987 | 2.1344 Mt | 2006 | 1.6978 Mt | | |
| 1988 | 2.043 Mt | 2007 | 1.3837 Mt | | |
表を表示
| 1970 | 175.48 t | 1989 | 142.75 t | 2008 | 73.53 t |
| 1971 | 169.64 t | 1990 | 141.29 t | 2009 | 116.19 t |
| 1972 | 163.59 t | 1991 | 137.05 t | 2010 | 114.74 t |
| 1973 | 158.92 t | 1992 | 122.32 t | 2011 | 131.08 t |
| 1974 | 157.23 t | 1993 | 122.26 t | 2012 | 202.87 t |
| 1975 | 157.63 t | 1994 | 178.64 t | 2013 | 103.37 t |
| 1976 | 158.34 t | 1995 | 136.65 t | 2014 | 71.56 t |
| 1977 | 159.27 t | 1996 | 125.27 t | 2015 | 67.27 t |
| 1978 | 160.35 t | 1997 | 139.07 t | 2016 | 64.3 t |
| 1979 | 161.69 t | 1998 | 123.02 t | 2017 | 67.17 t |
| 1980 | 162.56 t | 1999 | 128.03 t | 2018 | 69.07 t |
| 1981 | 163.27 t | 2000 | 110.65 t | 2019 | 71.26 t |
| 1982 | 158.37 t | 2001 | 122.14 t | 2020 | 71.74 t |
| 1983 | 160.47 t | 2002 | 74.05 t | 2021 | 74.73 t |
| 1984 | 173.07 t | 2003 | 87.4 t | 2022 | 78.73 t |
| 1985 | 136.46 t | 2004 | 76.78 t | 2023 | 78.86 t |
| 1986 | 145.18 t | 2005 | 87.55 t | 2024 | 82.84 t |
| 1987 | 148.9 t | 2006 | 86.65 t | | |
| 1988 | 139.5 t | 2007 | 71.69 t | | |