Mostrar tabla de datos
| 1970 | 139,53 Mt | 1989 | 112,81 Mt | 2008 | 114,25 Mt |
| 1971 | 129,41 Mt | 1990 | 115,82 Mt | 2009 | 107,29 Mt |
| 1972 | 141,02 Mt | 1991 | 119,73 Mt | 2010 | 114,9 Mt |
| 1973 | 146,42 Mt | 1992 | 117,62 Mt | 2011 | 104,49 Mt |
| 1974 | 145,25 Mt | 1993 | 115,7 Mt | 2012 | 103,01 Mt |
| 1975 | 127,96 Mt | 1994 | 122,03 Mt | 2013 | 104,36 Mt |
| 1976 | 137,6 Mt | 1995 | 122,31 Mt | 2014 | 97,78 Mt |
| 1977 | 135,02 Mt | 1996 | 127,31 Mt | 2015 | 102,42 Mt |
| 1978 | 139,45 Mt | 1997 | 124,34 Mt | 2016 | 101,35 Mt |
| 1979 | 148,69 Mt | 1998 | 127,31 Mt | 2017 | 99,77 Mt |
| 1980 | 137,79 Mt | 1999 | 122,97 Mt | 2018 | 100,46 Mt |
| 1981 | 125,88 Mt | 2000 | 124,9 Mt | 2019 | 100,31 Mt |
| 1982 | 118,14 Mt | 2001 | 125,76 Mt | 2020 | 91,93 Mt |
| 1983 | 108,45 Mt | 2002 | 118,49 Mt | 2021 | 96,02 Mt |
| 1984 | 111,25 Mt | 2003 | 123,37 Mt | 2022 | 89,68 Mt |
| 1985 | 108,82 Mt | 2004 | 121,98 Mt | 2023 | 85,73 Mt |
| 1986 | 109,38 Mt | 2005 | 119,01 Mt | 2024 | 86,65 Mt |
| 1987 | 109,49 Mt | 2006 | 116,08 Mt | | |
| 1988 | 111,74 Mt | 2007 | 112,91 Mt | | |
Mostrar tabla de datos
| 1970 | 14,45 t | 1989 | 11,35 t | 2008 | 10,67 t |
| 1971 | 13,38 t | 1990 | 11,62 t | 2009 | 9,94 t |
| 1972 | 14,52 t | 1991 | 11,97 t | 2010 | 10,55 t |
| 1973 | 15,03 t | 1992 | 11,71 t | 2011 | 9,47 t |
| 1974 | 14,86 t | 1993 | 11,47 t | 2012 | 9,27 t |
| 1975 | 13,06 t | 1994 | 12,06 t | 2013 | 9,35 t |
| 1976 | 14,02 t | 1995 | 12,07 t | 2014 | 8,72 t |
| 1977 | 13,74 t | 1996 | 12,53 t | 2015 | 9,08 t |
| 1978 | 14,17 t | 1997 | 12,21 t | 2016 | 8,94 t |
| 1979 | 15,1 t | 1998 | 12,48 t | 2017 | 8,77 t |
| 1980 | 13,98 t | 1999 | 12,02 t | 2018 | 8,79 t |
| 1981 | 12,77 t | 2000 | 12,18 t | 2019 | 8,73 t |
| 1982 | 11,99 t | 2001 | 12,23 t | 2020 | 7,97 t |
| 1983 | 11 t | 2002 | 11,47 t | 2021 | 8,29 t |
| 1984 | 11,29 t | 2003 | 11,89 t | 2022 | 7,68 t |
| 1985 | 11,04 t | 2004 | 11,7 t | 2023 | 7,28 t |
| 1986 | 11,09 t | 2005 | 11,36 t | 2024 | 7,31 t |
| 1987 | 11,09 t | 2006 | 11 t | | |
| 1988 | 11,28 t | 2007 | 10,63 t | | |