Show data table
| 1970 | 160.69 Mt | 1989 | 274.16 Mt | 2008 | 404.33 Mt |
| 1971 | 162.42 Mt | 1990 | 277.71 Mt | 2009 | 410.3 Mt |
| 1972 | 168.27 Mt | 1991 | 279.74 Mt | 2010 | 415.32 Mt |
| 1973 | 177.63 Mt | 1992 | 283.12 Mt | 2011 | 412.86 Mt |
| 1974 | 187.16 Mt | 1993 | 287.03 Mt | 2012 | 413.37 Mt |
| 1975 | 193.91 Mt | 1994 | 292.39 Mt | 2013 | 405.74 Mt |
| 1976 | 196.7 Mt | 1995 | 302.69 Mt | 2014 | 396.44 Mt |
| 1977 | 209.98 Mt | 1996 | 312.68 Mt | 2015 | 400.63 Mt |
| 1978 | 206.31 Mt | 1997 | 322.38 Mt | 2016 | 408.61 Mt |
| 1979 | 212.16 Mt | 1998 | 342.12 Mt | 2017 | 411.21 Mt |
| 1980 | 222.33 Mt | 1999 | 348.13 Mt | 2018 | 409.25 Mt |
| 1981 | 223.29 Mt | 2000 | 353.9 Mt | 2019 | 407.91 Mt |
| 1982 | 229.58 Mt | 2001 | 360.43 Mt | 2020 | 392.55 Mt |
| 1983 | 218.05 Mt | 2002 | 368.64 Mt | 2021 | 384.73 Mt |
| 1984 | 223.84 Mt | 2003 | 368.14 Mt | 2022 | 378.07 Mt |
| 1985 | 237.94 Mt | 2004 | 381.98 Mt | 2023 | 377.5 Mt |
| 1986 | 238.4 Mt | 2005 | 384.12 Mt | 2024 | 383.4 Mt |
| 1987 | 249.59 Mt | 2006 | 390.19 Mt | | |
| 1988 | 258.39 Mt | 2007 | 400.7 Mt | | |
Show data table
| 1970 | 12.85 t | 1989 | 16.31 t | 2008 | 19.03 t |
| 1971 | 12.56 t | 1990 | 16.27 t | 2009 | 18.92 t |
| 1972 | 12.77 t | 1991 | 16.18 t | 2010 | 18.85 t |
| 1973 | 13.28 t | 1992 | 16.2 t | 2011 | 18.48 t |
| 1974 | 13.64 t | 1993 | 16.28 t | 2012 | 18.18 t |
| 1975 | 13.96 t | 1994 | 16.42 t | 2013 | 17.54 t |
| 1976 | 14.02 t | 1995 | 16.81 t | 2014 | 16.89 t |
| 1977 | 14.8 t | 1996 | 17.16 t | 2015 | 16.82 t |
| 1978 | 14.37 t | 1997 | 17.5 t | 2016 | 16.89 t |
| 1979 | 14.62 t | 1998 | 18.39 t | 2017 | 16.72 t |
| 1980 | 15.13 t | 1999 | 18.51 t | 2018 | 16.39 t |
| 1981 | 14.96 t | 2000 | 18.6 t | 2019 | 16.1 t |
| 1982 | 15.12 t | 2001 | 18.7 t | 2020 | 15.3 t |
| 1983 | 14.17 t | 2002 | 18.91 t | 2021 | 14.98 t |
| 1984 | 14.37 t | 2003 | 18.67 t | 2022 | 14.53 t |
| 1985 | 15.07 t | 2004 | 19.16 t | 2023 | 14.16 t |
| 1986 | 14.88 t | 2005 | 19.04 t | 2024 | 14.1 t |
| 1987 | 15.35 t | 2006 | 19.08 t | | |
| 1988 | 15.63 t | 2007 | 19.24 t | | |