表を表示
| 1970 | 314.61 Mt | 1989 | 422.87 Mt | 2008 | 464.98 Mt |
| 1971 | 329.27 Mt | 1990 | 426.06 Mt | 2009 | 413.81 Mt |
| 1972 | 347.37 Mt | 1991 | 424.89 Mt | 2010 | 423.63 Mt |
| 1973 | 369.53 Mt | 1992 | 423.05 Mt | 2011 | 414.5 Mt |
| 1974 | 372.06 Mt | 1993 | 416.3 Mt | 2012 | 394.45 Mt |
| 1975 | 355.88 Mt | 1994 | 410.75 Mt | 2013 | 361.71 Mt |
| 1976 | 382.55 Mt | 1995 | 434.91 Mt | 2014 | 342.98 Mt |
| 1977 | 371.55 Mt | 1996 | 429.85 Mt | 2015 | 353.74 Mt |
| 1978 | 378.94 Mt | 1997 | 433.3 Mt | 2016 | 349.17 Mt |
| 1979 | 394.89 Mt | 1998 | 442.47 Mt | 2017 | 345.68 Mt |
| 1980 | 397.65 Mt | 1999 | 449.36 Mt | 2018 | 340.37 Mt |
| 1981 | 385.87 Mt | 2000 | 454.32 Mt | 2019 | 332.56 Mt |
| 1982 | 377.69 Mt | 2001 | 453.68 Mt | 2020 | 295.21 Mt |
| 1983 | 373.35 Mt | 2002 | 460.96 Mt | 2021 | 330.35 Mt |
| 1984 | 378.83 Mt | 2003 | 480.76 Mt | 2022 | 331.01 Mt |
| 1985 | 378.57 Mt | 2004 | 492.16 Mt | 2023 | 304.31 Mt |
| 1986 | 380.42 Mt | 2005 | 493.07 Mt | 2024 | 299.23 Mt |
| 1987 | 399.98 Mt | 2006 | 487.52 Mt | | |
| 1988 | 404.74 Mt | 2007 | 480.32 Mt | | |
表を表示
| 1970 | 5.85 t | 1989 | 7.46 t | 2008 | 7.85 t |
| 1971 | 6.09 t | 1990 | 7.51 t | 2009 | 6.95 t |
| 1972 | 6.39 t | 1991 | 7.49 t | 2010 | 7.08 t |
| 1973 | 6.75 t | 1992 | 7.45 t | 2011 | 6.91 t |
| 1974 | 6.75 t | 1993 | 7.33 t | 2012 | 6.55 t |
| 1975 | 6.42 t | 1994 | 7.23 t | 2013 | 6 t |
| 1976 | 6.87 t | 1995 | 7.65 t | 2014 | 5.69 t |
| 1977 | 6.64 t | 1996 | 7.56 t | 2015 | 5.87 t |
| 1978 | 6.75 t | 1997 | 7.62 t | 2016 | 5.81 t |
| 1979 | 7.01 t | 1998 | 7.78 t | 2017 | 5.76 t |
| 1980 | 7.05 t | 1999 | 7.9 t | 2018 | 5.66 t |
| 1981 | 6.83 t | 2000 | 7.98 t | 2019 | 5.57 t |
| 1982 | 6.68 t | 2001 | 7.96 t | 2020 | 4.97 t |
| 1983 | 6.6 t | 2002 | 8.07 t | 2021 | 5.59 t |
| 1984 | 6.7 t | 2003 | 8.38 t | 2022 | 5.61 t |
| 1985 | 6.69 t | 2004 | 8.51 t | 2023 | 5.16 t |
| 1986 | 6.72 t | 2005 | 8.48 t | 2024 | 5.08 t |
| 1987 | 7.07 t | 2006 | 8.35 t | | |
| 1988 | 7.15 t | 2007 | 8.17 t | | |