表を表示
| 1970 | 1,301 Mt | 1989 | 2,237 Mt | 2008 | 1,764 Mt |
| 1971 | 1,302 Mt | 1990 | 2,436 Mt | 2009 | 1,662 Mt |
| 1972 | 1,370 Mt | 1991 | 2,394 Mt | 2010 | 1,747 Mt |
| 1973 | 1,454 Mt | 1992 | 2,205 Mt | 2011 | 1,833 Mt |
| 1974 | 1,529 Mt | 1993 | 2,013 Mt | 2012 | 1,820 Mt |
| 1975 | 1,614 Mt | 1994 | 1,815 Mt | 2013 | 1,764 Mt |
| 1976 | 1,675 Mt | 1995 | 1,769 Mt | 2014 | 1,750 Mt |
| 1977 | 1,712 Mt | 1996 | 1,727 Mt | 2015 | 1,757 Mt |
| 1978 | 1,828 Mt | 1997 | 1,607 Mt | 2016 | 1,735 Mt |
| 1979 | 1,854 Mt | 1998 | 1,613 Mt | 2017 | 1,763 Mt |
| 1980 | 1,915 Mt | 1999 | 1,661 Mt | 2018 | 1,831 Mt |
| 1981 | 1,910 Mt | 2000 | 1,681 Mt | 2019 | 1,858 Mt |
| 1982 | 1,937 Mt | 2001 | 1,684 Mt | 2020 | 1,784 Mt |
| 1983 | 1,971 Mt | 2002 | 1,675 Mt | 2021 | 1,938 Mt |
| 1984 | 2,006 Mt | 2003 | 1,737 Mt | 2022 | 1,895 Mt |
| 1985 | 2,044 Mt | 2004 | 1,739 Mt | 2023 | 1,948 Mt |
| 1986 | 2,111 Mt | 2005 | 1,739 Mt | 2024 | 2,009 Mt |
| 1987 | 2,174 Mt | 2006 | 1,776 Mt | | |
| 1988 | 2,225 Mt | 2007 | 1,779 Mt | | |
表を表示
| 1970 | 9.98 t | 1989 | 15.14 t | 2008 | 12.36 t |
| 1971 | 9.93 t | 1990 | 16.46 t | 2009 | 11.64 t |
| 1972 | 10.39 t | 1991 | 16.13 t | 2010 | 12.23 t |
| 1973 | 10.96 t | 1992 | 14.85 t | 2011 | 12.81 t |
| 1974 | 11.46 t | 1993 | 13.56 t | 2012 | 12.69 t |
| 1975 | 12.03 t | 1994 | 12.23 t | 2013 | 12.27 t |
| 1976 | 12.39 t | 1995 | 11.92 t | 2014 | 12.13 t |
| 1977 | 12.58 t | 1996 | 11.66 t | 2015 | 12.15 t |
| 1978 | 13.34 t | 1997 | 10.87 t | 2016 | 11.96 t |
| 1979 | 13.43 t | 1998 | 10.92 t | 2017 | 12.14 t |
| 1980 | 13.78 t | 1999 | 11.28 t | 2018 | 12.59 t |
| 1981 | 13.65 t | 2000 | 11.47 t | 2019 | 12.77 t |
| 1982 | 13.76 t | 2001 | 11.54 t | 2020 | 12.28 t |
| 1983 | 13.91 t | 2002 | 11.53 t | 2021 | 13.39 t |
| 1984 | 14.05 t | 2003 | 12.01 t | 2022 | 13.14 t |
| 1985 | 14.21 t | 2004 | 12.07 t | 2023 | 13.55 t |
| 1986 | 14.57 t | 2005 | 12.12 t | 2024 | 14 t |
| 1987 | 14.9 t | 2006 | 12.42 t | | |
| 1988 | 15.15 t | 2007 | 12.46 t | | |