表を表示
| 1970 | 0.0736 Mt | 1989 | 0.1398 Mt | 2008 | 0.4365 Mt |
| 1971 | 0.0737 Mt | 1990 | 0.1088 Mt | 2009 | 0.5122 Mt |
| 1972 | 0.0734 Mt | 1991 | 0.1362 Mt | 2010 | 0.5223 Mt |
| 1973 | 0.0759 Mt | 1992 | 0.1157 Mt | 2011 | 0.5442 Mt |
| 1974 | 0.0818 Mt | 1993 | 0.1117 Mt | 2012 | 0.5764 Mt |
| 1975 | 0.085 Mt | 1994 | 0.1218 Mt | 2013 | 0.5811 Mt |
| 1976 | 0.088 Mt | 1995 | 0.1251 Mt | 2014 | 0.5991 Mt |
| 1977 | 0.0911 Mt | 1996 | 0.1295 Mt | 2015 | 0.5966 Mt |
| 1978 | 0.0926 Mt | 1997 | 0.1287 Mt | 2016 | 0.6575 Mt |
| 1979 | 0.1067 Mt | 1998 | 0.1265 Mt | 2017 | 0.7193 Mt |
| 1980 | 0.1048 Mt | 1999 | 0.1319 Mt | 2018 | 0.7577 Mt |
| 1981 | 0.1005 Mt | 2000 | 0.3508 Mt | 2019 | 0.7834 Mt |
| 1982 | 0.0935 Mt | 2001 | 0.3651 Mt | 2020 | 0.7032 Mt |
| 1983 | 0.1022 Mt | 2002 | 0.3854 Mt | 2021 | 0.7644 Mt |
| 1984 | 0.0988 Mt | 2003 | 0.392 Mt | 2022 | 0.9811 Mt |
| 1985 | 0.1081 Mt | 2004 | 0.407 Mt | 2023 | 0.9915 Mt |
| 1986 | 0.1175 Mt | 2005 | 0.4079 Mt | 2024 | 1.0006 Mt |
| 1987 | 0.1647 Mt | 2006 | 0.4144 Mt | | |
| 1988 | 0.105 Mt | 2007 | 0.5358 Mt | | |
表を表示
| 1970 | 0.07 t | 1989 | 0.08 t | 2008 | 0.22 t |
| 1971 | 0.07 t | 1990 | 0.06 t | 2009 | 0.26 t |
| 1972 | 0.07 t | 1991 | 0.07 t | 2010 | 0.26 t |
| 1973 | 0.07 t | 1992 | 0.06 t | 2011 | 0.27 t |
| 1974 | 0.07 t | 1993 | 0.06 t | 2012 | 0.28 t |
| 1975 | 0.07 t | 1994 | 0.06 t | 2013 | 0.28 t |
| 1976 | 0.07 t | 1995 | 0.06 t | 2014 | 0.29 t |
| 1977 | 0.07 t | 1996 | 0.07 t | 2015 | 0.28 t |
| 1978 | 0.07 t | 1997 | 0.06 t | 2016 | 0.31 t |
| 1979 | 0.08 t | 1998 | 0.06 t | 2017 | 0.33 t |
| 1980 | 0.07 t | 1999 | 0.07 t | 2018 | 0.35 t |
| 1981 | 0.07 t | 2000 | 0.18 t | 2019 | 0.35 t |
| 1982 | 0.06 t | 2001 | 0.18 t | 2020 | 0.31 t |
| 1983 | 0.07 t | 2002 | 0.19 t | 2021 | 0.34 t |
| 1984 | 0.06 t | 2003 | 0.2 t | 2022 | 0.43 t |
| 1985 | 0.07 t | 2004 | 0.21 t | 2023 | 0.43 t |
| 1986 | 0.07 t | 2005 | 0.21 t | 2024 | 0.43 t |
| 1987 | 0.1 t | 2006 | 0.21 t | | |
| 1988 | 0.06 t | 2007 | 0.27 t | | |