表を表示
| 1970 | 134.14 Mt | 1989 | 159.55 Mt | 2008 | 179.94 Mt |
| 1971 | 134.66 Mt | 1990 | 164.82 Mt | 2009 | 174.75 Mt |
| 1972 | 150.43 Mt | 1991 | 170.94 Mt | 2010 | 186.12 Mt |
| 1973 | 156.74 Mt | 1992 | 169.04 Mt | 2011 | 174.07 Mt |
| 1974 | 148.69 Mt | 1993 | 172.3 Mt | 2012 | 171.6 Mt |
| 1975 | 140.01 Mt | 1994 | 173.36 Mt | 2013 | 169.36 Mt |
| 1976 | 150.79 Mt | 1995 | 177.62 Mt | 2014 | 161.76 Mt |
| 1977 | 148.49 Mt | 1996 | 187.85 Mt | 2015 | 169.35 Mt |
| 1978 | 153.29 Mt | 1997 | 180.11 Mt | 2016 | 170.79 Mt |
| 1979 | 162.73 Mt | 1998 | 180.86 Mt | 2017 | 168.18 Mt |
| 1980 | 155.11 Mt | 1999 | 176.15 Mt | 2018 | 163.09 Mt |
| 1981 | 154.2 Mt | 2000 | 176.85 Mt | 2019 | 157.97 Mt |
| 1982 | 143.9 Mt | 2001 | 181.46 Mt | 2020 | 142.16 Mt |
| 1983 | 139.32 Mt | 2002 | 181.83 Mt | 2021 | 145.89 Mt |
| 1984 | 145.46 Mt | 2003 | 184.29 Mt | 2022 | 133.11 Mt |
| 1985 | 149.73 Mt | 2004 | 186.75 Mt | 2023 | 122.92 Mt |
| 1986 | 152.06 Mt | 2005 | 182.18 Mt | 2024 | 118.79 Mt |
| 1987 | 156.33 Mt | 2006 | 177.68 Mt | | |
| 1988 | 156.32 Mt | 2007 | 178.86 Mt | | |
表を表示
| 1970 | 10.29 t | 1989 | 10.75 t | 2008 | 10.94 t |
| 1971 | 10.21 t | 1990 | 11.02 t | 2009 | 10.57 t |
| 1972 | 11.29 t | 1991 | 11.34 t | 2010 | 11.2 t |
| 1973 | 11.66 t | 1992 | 11.13 t | 2011 | 10.43 t |
| 1974 | 10.98 t | 1993 | 11.27 t | 2012 | 10.24 t |
| 1975 | 10.24 t | 1994 | 11.27 t | 2013 | 10.08 t |
| 1976 | 10.95 t | 1995 | 11.49 t | 2014 | 9.59 t |
| 1977 | 10.72 t | 1996 | 12.1 t | 2015 | 10 t |
| 1978 | 11 t | 1997 | 11.54 t | 2016 | 10.03 t |
| 1979 | 11.59 t | 1998 | 11.51 t | 2017 | 9.82 t |
| 1980 | 10.96 t | 1999 | 11.14 t | 2018 | 9.46 t |
| 1981 | 10.82 t | 2000 | 11.11 t | 2019 | 9.11 t |
| 1982 | 10.05 t | 2001 | 11.31 t | 2020 | 8.15 t |
| 1983 | 9.7 t | 2002 | 11.26 t | 2021 | 8.32 t |
| 1984 | 10.08 t | 2003 | 11.36 t | 2022 | 7.52 t |
| 1985 | 10.33 t | 2004 | 11.47 t | 2023 | 6.88 t |
| 1986 | 10.44 t | 2005 | 11.16 t | 2024 | 6.6 t |
| 1987 | 10.66 t | 2006 | 10.87 t | | |
| 1988 | 10.59 t | 2007 | 10.92 t | | |