表を表示
| 1970 | 17.42 Mt | 1989 | 21 Mt | 2008 | 38.99 Mt |
| 1971 | 17.38 Mt | 1990 | 20.84 Mt | 2009 | 41.97 Mt |
| 1972 | 17.4 Mt | 1991 | 20.24 Mt | 2010 | 45.85 Mt |
| 1973 | 18.43 Mt | 1992 | 21.11 Mt | 2011 | 49.18 Mt |
| 1974 | 19.99 Mt | 1993 | 22.21 Mt | 2012 | 49.12 Mt |
| 1975 | 20.38 Mt | 1994 | 22.79 Mt | 2013 | 50.32 Mt |
| 1976 | 20.83 Mt | 1995 | 25.89 Mt | 2014 | 53.25 Mt |
| 1977 | 20.53 Mt | 1996 | 28.45 Mt | 2015 | 54.9 Mt |
| 1978 | 20.62 Mt | 1997 | 28.37 Mt | 2016 | 57.5 Mt |
| 1979 | 21.51 Mt | 1998 | 27.27 Mt | 2017 | 55.22 Mt |
| 1980 | 22.63 Mt | 1999 | 29.31 Mt | 2018 | 55.35 Mt |
| 1981 | 23.39 Mt | 2000 | 28.99 Mt | 2019 | 58.17 Mt |
| 1982 | 23 Mt | 2001 | 26.94 Mt | 2020 | 47.53 Mt |
| 1983 | 19.51 Mt | 2002 | 28.1 Mt | 2021 | 59.63 Mt |
| 1984 | 20.24 Mt | 2003 | 27.55 Mt | 2022 | 63.74 Mt |
| 1985 | 19.55 Mt | 2004 | 31.82 Mt | 2023 | 65.08 Mt |
| 1986 | 21.29 Mt | 2005 | 31.84 Mt | 2024 | 69.27 Mt |
| 1987 | 23.02 Mt | 2006 | 31.49 Mt | | |
| 1988 | 23.31 Mt | 2007 | 34.37 Mt | | |
表を表示
| 1970 | 1.29 t | 1989 | 0.98 t | 2008 | 1.36 t |
| 1971 | 1.26 t | 1990 | 0.95 t | 2009 | 1.45 t |
| 1972 | 1.22 t | 1991 | 0.9 t | 2010 | 1.58 t |
| 1973 | 1.26 t | 1992 | 0.92 t | 2011 | 1.68 t |
| 1974 | 1.34 t | 1993 | 0.95 t | 2012 | 1.66 t |
| 1975 | 1.33 t | 1994 | 0.95 t | 2013 | 1.69 t |
| 1976 | 1.33 t | 1995 | 1.06 t | 2014 | 1.77 t |
| 1977 | 1.27 t | 1996 | 1.15 t | 2015 | 1.8 t |
| 1978 | 1.25 t | 1997 | 1.12 t | 2016 | 1.86 t |
| 1979 | 1.27 t | 1998 | 1.06 t | 2017 | 1.76 t |
| 1980 | 1.3 t | 1999 | 1.12 t | 2018 | 1.74 t |
| 1981 | 1.31 t | 2000 | 1.09 t | 2019 | 1.79 t |
| 1982 | 1.26 t | 2001 | 1 t | 2020 | 1.45 t |
| 1983 | 1.04 t | 2002 | 1.03 t | 2021 | 1.8 t |
| 1984 | 1.06 t | 2003 | 1 t | 2022 | 1.9 t |
| 1985 | 1 t | 2004 | 1.14 t | 2023 | 1.92 t |
| 1986 | 1.06 t | 2005 | 1.13 t | 2024 | 2.02 t |
| 1987 | 1.12 t | 2006 | 1.11 t | | |
| 1988 | 1.11 t | 2007 | 1.2 t | | |