Show data table
| 1970 | 17.51 Mt | 1989 | 20.33 Mt | 2008 | 125.79 Mt |
| 1971 | 17.52 Mt | 1990 | 20.58 Mt | 2009 | 140.82 Mt |
| 1972 | 16.98 Mt | 1991 | 20.72 Mt | 2010 | 156.78 Mt |
| 1973 | 18.93 Mt | 1992 | 21.7 Mt | 2011 | 156.77 Mt |
| 1974 | 15.78 Mt | 1993 | 25.41 Mt | 2012 | 156.22 Mt |
| 1975 | 18.56 Mt | 1994 | 29.88 Mt | 2013 | 163.16 Mt |
| 1976 | 13.56 Mt | 1995 | 34.37 Mt | 2014 | 178.94 Mt |
| 1977 | 14.75 Mt | 1996 | 38.71 Mt | 2015 | 200.82 Mt |
| 1978 | 14.94 Mt | 1997 | 44.64 Mt | 2016 | 223.81 Mt |
| 1979 | 15.58 Mt | 1998 | 49.89 Mt | 2017 | 229.25 Mt |
| 1980 | 16.27 Mt | 1999 | 51.1 Mt | 2018 | 282.1 Mt |
| 1981 | 16.74 Mt | 2000 | 56.54 Mt | 2019 | 336.53 Mt |
| 1982 | 18.12 Mt | 2001 | 62.09 Mt | 2020 | 348.33 Mt |
| 1983 | 19.54 Mt | 2002 | 73.08 Mt | 2021 | 336.17 Mt |
| 1984 | 19.6 Mt | 2003 | 77.65 Mt | 2022 | 344 Mt |
| 1985 | 19.76 Mt | 2004 | 91.93 Mt | 2023 | 390.73 Mt |
| 1986 | 21.68 Mt | 2005 | 100.55 Mt | 2024 | 430.82 Mt |
| 1987 | 24.12 Mt | 2006 | 103.16 Mt | | |
| 1988 | 23.68 Mt | 2007 | 114.31 Mt | | |
Show data table
| 1970 | 0.42 t | 1989 | 0.32 t | 2008 | 1.48 t |
| 1971 | 0.41 t | 1990 | 0.31 t | 2009 | 1.63 t |
| 1972 | 0.39 t | 1991 | 0.31 t | 2010 | 1.79 t |
| 1973 | 0.43 t | 1992 | 0.32 t | 2011 | 1.77 t |
| 1974 | 0.35 t | 1993 | 0.37 t | 2012 | 1.75 t |
| 1975 | 0.4 t | 1994 | 0.42 t | 2013 | 1.8 t |
| 1976 | 0.28 t | 1995 | 0.48 t | 2014 | 1.95 t |
| 1977 | 0.3 t | 1996 | 0.53 t | 2015 | 2.16 t |
| 1978 | 0.3 t | 1997 | 0.6 t | 2016 | 2.38 t |
| 1979 | 0.3 t | 1998 | 0.66 t | 2017 | 2.41 t |
| 1980 | 0.31 t | 1999 | 0.67 t | 2018 | 2.93 t |
| 1981 | 0.31 t | 2000 | 0.73 t | 2019 | 3.46 t |
| 1982 | 0.33 t | 2001 | 0.8 t | 2020 | 3.55 t |
| 1983 | 0.35 t | 2002 | 0.93 t | 2021 | 3.4 t |
| 1984 | 0.34 t | 2003 | 0.98 t | 2022 | 3.45 t |
| 1985 | 0.33 t | 2004 | 1.14 t | 2023 | 3.89 t |
| 1986 | 0.36 t | 2005 | 1.24 t | 2024 | 4.27 t |
| 1987 | 0.39 t | 2006 | 1.26 t | | |
| 1988 | 0.38 t | 2007 | 1.37 t | | |