表を表示
| 1970 | 0.0099 Mt | 1989 | 0.0754 Mt | 2008 | 0.9559 Mt |
| 1971 | 0.0099 Mt | 1990 | 0.0946 Mt | 2009 | 0.9842 Mt |
| 1972 | 0.0106 Mt | 1991 | 0.0981 Mt | 2010 | 1.0537 Mt |
| 1973 | 0.0126 Mt | 1992 | 0.1076 Mt | 2011 | 1.1443 Mt |
| 1974 | 0.0154 Mt | 1993 | 0.1269 Mt | 2012 | 1.4422 Mt |
| 1975 | 0.0129 Mt | 1994 | 0.2725 Mt | 2013 | 1.6213 Mt |
| 1976 | 0.0128 Mt | 1995 | 0.335 Mt | 2014 | 2.1931 Mt |
| 1977 | 0.0135 Mt | 1996 | 0.3404 Mt | 2015 | 1.5884 Mt |
| 1978 | 0.0134 Mt | 1997 | 0.3032 Mt | 2016 | 1.7341 Mt |
| 1979 | 0.0144 Mt | 1998 | 0.3433 Mt | 2017 | 1.6081 Mt |
| 1980 | 0.0155 Mt | 1999 | 0.3428 Mt | 2018 | 1.3863 Mt |
| 1981 | 0.0154 Mt | 2000 | 0.6278 Mt | 2019 | 1.5153 Mt |
| 1982 | 0.0153 Mt | 2001 | 0.5547 Mt | 2020 | 1.208 Mt |
| 1983 | 0.0151 Mt | 2002 | 0.6721 Mt | 2021 | 1.6808 Mt |
| 1984 | 0.0511 Mt | 2003 | 0.5775 Mt | 2022 | 1.7895 Mt |
| 1985 | 0.0564 Mt | 2004 | 0.7389 Mt | 2023 | 1.7942 Mt |
| 1986 | 0.0564 Mt | 2005 | 0.6848 Mt | 2024 | 1.8824 Mt |
| 1987 | 0.0641 Mt | 2006 | 0.8365 Mt | | |
| 1988 | 0.0782 Mt | 2007 | 0.878 Mt | | |
表を表示
| 1970 | 0.08 t | 1989 | 0.35 t | 2008 | 2.84 t |
| 1971 | 0.08 t | 1990 | 0.42 t | 2009 | 2.83 t |
| 1972 | 0.08 t | 1991 | 0.42 t | 2010 | 2.92 t |
| 1973 | 0.09 t | 1992 | 0.45 t | 2011 | 3.06 t |
| 1974 | 0.11 t | 1993 | 0.52 t | 2012 | 3.73 t |
| 1975 | 0.09 t | 1994 | 1.09 t | 2013 | 4.05 t |
| 1976 | 0.09 t | 1995 | 1.31 t | 2014 | 5.3 t |
| 1977 | 0.09 t | 1996 | 1.3 t | 2015 | 3.71 t |
| 1978 | 0.09 t | 1997 | 1.13 t | 2016 | 3.91 t |
| 1979 | 0.09 t | 1998 | 1.26 t | 2017 | 3.51 t |
| 1980 | 0.09 t | 1999 | 1.24 t | 2018 | 2.93 t |
| 1981 | 0.09 t | 2000 | 2.23 t | 2019 | 3.11 t |
| 1982 | 0.09 t | 2001 | 1.93 t | 2020 | 2.41 t |
| 1983 | 0.08 t | 2002 | 2.3 t | 2021 | 3.26 t |
| 1984 | 0.28 t | 2003 | 1.95 t | 2022 | 3.41 t |
| 1985 | 0.3 t | 2004 | 2.45 t | 2023 | 3.41 t |
| 1986 | 0.29 t | 2005 | 2.23 t | 2024 | 3.57 t |
| 1987 | 0.31 t | 2006 | 2.67 t | | |
| 1988 | 0.37 t | 2007 | 2.71 t | | |