表を表示
| 1970 | 52.01 Mt | 1989 | 160.55 Mt | 2008 | 420.49 Mt |
| 1971 | 63.14 Mt | 1990 | 173.9 Mt | 2009 | 444.02 Mt |
| 1972 | 80.94 Mt | 1991 | 177.63 Mt | 2010 | 486.88 Mt |
| 1973 | 108.32 Mt | 1992 | 190.97 Mt | 2011 | 509.21 Mt |
| 1974 | 113.61 Mt | 1993 | 201.09 Mt | 2012 | 539.34 Mt |
| 1975 | 94.05 Mt | 1994 | 218.76 Mt | 2013 | 547.2 Mt |
| 1976 | 115.77 Mt | 1995 | 217.16 Mt | 2014 | 585.93 Mt |
| 1977 | 124.53 Mt | 1996 | 230.52 Mt | 2015 | 611.45 Mt |
| 1978 | 132.48 Mt | 1997 | 233.22 Mt | 2016 | 609.51 Mt |
| 1979 | 156.78 Mt | 1998 | 249.5 Mt | 2017 | 603.33 Mt |
| 1980 | 192.73 Mt | 1999 | 254.32 Mt | 2018 | 580.04 Mt |
| 1981 | 179.19 Mt | 2000 | 265.24 Mt | 2019 | 579.81 Mt |
| 1982 | 183.1 Mt | 2001 | 275.79 Mt | 2020 | 577.1 Mt |
| 1983 | 182.07 Mt | 2002 | 293.72 Mt | 2021 | 590.32 Mt |
| 1984 | 136.74 Mt | 2003 | 308.33 Mt | 2022 | 620.43 Mt |
| 1985 | 135.67 Mt | 2004 | 327.02 Mt | 2023 | 635.43 Mt |
| 1986 | 135.85 Mt | 2005 | 346.38 Mt | 2024 | 652.51 Mt |
| 1987 | 147.24 Mt | 2006 | 366.74 Mt | | |
| 1988 | 159.36 Mt | 2007 | 387.88 Mt | | |
表を表示
| 1970 | 14.6 t | 1989 | 15.85 t | 2008 | 18.06 t |
| 1971 | 16.95 t | 1990 | 16.34 t | 2009 | 18.33 t |
| 1972 | 20.72 t | 1991 | 15.92 t | 2010 | 20.3 t |
| 1973 | 26.38 t | 1992 | 16.34 t | 2011 | 20.29 t |
| 1974 | 26.28 t | 1993 | 16.46 t | 2012 | 20.61 t |
| 1975 | 20.64 t | 1994 | 17.16 t | 2013 | 19.81 t |
| 1976 | 24.08 t | 1995 | 16.34 t | 2014 | 20.7 t |
| 1977 | 24.5 t | 1996 | 16.67 t | 2015 | 20.51 t |
| 1978 | 24.62 t | 1997 | 16.22 t | 2016 | 19.69 t |
| 1979 | 27.49 t | 1998 | 16.72 t | 2017 | 19.48 t |
| 1980 | 31.87 t | 1999 | 16.44 t | 2018 | 19.21 t |
| 1981 | 27.91 t | 2000 | 16.4 t | 2019 | 19.29 t |
| 1982 | 26.83 t | 2001 | 16.18 t | 2020 | 18.29 t |
| 1983 | 25.1 t | 2002 | 16.4 t | 2021 | 19.18 t |
| 1984 | 17.76 t | 2003 | 16.41 t | 2022 | 19.28 t |
| 1985 | 16.64 t | 2004 | 16.63 t | 2023 | 18.85 t |
| 1986 | 15.74 t | 2005 | 16.85 t | 2024 | 18.48 t |
| 1987 | 16.13 t | 2006 | 17.09 t | | |
| 1988 | 16.55 t | 2007 | 17.34 t | | |