Show data table
| 1970 | 62.34 Mt | 1989 | 240.75 Mt | 2008 | 552.37 Mt |
| 1971 | 62.99 Mt | 1990 | 260.23 Mt | 2009 | 556.37 Mt |
| 1972 | 64.87 Mt | 1991 | 292.36 Mt | 2010 | 612.94 Mt |
| 1973 | 79.89 Mt | 1992 | 321.09 Mt | 2011 | 647.69 Mt |
| 1974 | 84.01 Mt | 1993 | 349.64 Mt | 2012 | 645.21 Mt |
| 1975 | 91.08 Mt | 1994 | 377.45 Mt | 2013 | 642.05 Mt |
| 1976 | 101.77 Mt | 1995 | 407.09 Mt | 2014 | 630.59 Mt |
| 1977 | 115.86 Mt | 1996 | 436.5 Mt | 2015 | 643.8 Mt |
| 1978 | 122.5 Mt | 1997 | 458.86 Mt | 2016 | 648.82 Mt |
| 1979 | 138.97 Mt | 1998 | 393.61 Mt | 2017 | 665.29 Mt |
| 1980 | 141.43 Mt | 1999 | 430.61 Mt | 2018 | 680.5 Mt |
| 1981 | 147.37 Mt | 2000 | 466.4 Mt | 2019 | 654.99 Mt |
| 1982 | 147.23 Mt | 2001 | 477.11 Mt | 2020 | 617.34 Mt |
| 1983 | 160.33 Mt | 2002 | 494.47 Mt | 2021 | 638.77 Mt |
| 1984 | 180.47 Mt | 2003 | 502.99 Mt | 2022 | 613.55 Mt |
| 1985 | 188.91 Mt | 2004 | 519.47 Mt | 2023 | 590.37 Mt |
| 1986 | 196.75 Mt | 2005 | 515.98 Mt | 2024 | 588.01 Mt |
| 1987 | 202.54 Mt | 2006 | 523.7 Mt | | |
| 1988 | 228.66 Mt | 2007 | 541 Mt | | |
Show data table
| 1970 | 1.93 t | 1989 | 5.67 t | 2008 | 11.26 t |
| 1971 | 1.92 t | 1990 | 6.07 t | 2009 | 11.28 t |
| 1972 | 1.94 t | 1991 | 6.75 t | 2010 | 12.37 t |
| 1973 | 2.34 t | 1992 | 7.34 t | 2011 | 12.97 t |
| 1974 | 2.42 t | 1993 | 7.91 t | 2012 | 12.85 t |
| 1975 | 2.58 t | 1994 | 8.46 t | 2013 | 12.73 t |
| 1976 | 2.84 t | 1995 | 9.03 t | 2014 | 12.43 t |
| 1977 | 3.18 t | 1996 | 9.59 t | 2015 | 12.62 t |
| 1978 | 3.31 t | 1997 | 9.99 t | 2016 | 12.67 t |
| 1979 | 3.7 t | 1998 | 8.5 t | 2017 | 12.95 t |
| 1980 | 3.71 t | 1999 | 9.24 t | 2018 | 13.19 t |
| 1981 | 3.81 t | 2000 | 9.92 t | 2019 | 12.65 t |
| 1982 | 3.74 t | 2001 | 10.07 t | 2020 | 11.91 t |
| 1983 | 4.02 t | 2002 | 10.38 t | 2021 | 12.34 t |
| 1984 | 4.47 t | 2003 | 10.5 t | 2022 | 11.87 t |
| 1985 | 4.63 t | 2004 | 10.8 t | 2023 | 11.42 t |
| 1986 | 4.77 t | 2005 | 10.71 t | 2024 | 11.36 t |
| 1987 | 4.87 t | 2006 | 10.81 t | | |
| 1988 | 5.44 t | 2007 | 11.11 t | | |