Mostrar tabla de datos
| 1970 | 41,57 Mt | 1989 | 53,89 Mt | 2008 | 59,83 Mt |
| 1971 | 40,99 Mt | 1990 | 56,23 Mt | 2009 | 57,08 Mt |
| 1972 | 44,35 Mt | 1991 | 56,91 Mt | 2010 | 65,85 Mt |
| 1973 | 48,43 Mt | 1992 | 54,09 Mt | 2011 | 58,22 Mt |
| 1974 | 44,61 Mt | 1993 | 55,37 Mt | 2012 | 52,33 Mt |
| 1975 | 44,77 Mt | 1994 | 62,09 Mt | 2013 | 53,33 Mt |
| 1976 | 51 Mt | 1995 | 58,75 Mt | 2014 | 49,44 Mt |
| 1977 | 50,68 Mt | 1996 | 64,94 Mt | 2015 | 45,98 Mt |
| 1978 | 57,13 Mt | 1997 | 62,74 Mt | 2016 | 48,81 Mt |
| 1979 | 56,9 Mt | 1998 | 59,54 Mt | 2017 | 46,08 Mt |
| 1980 | 57,42 Mt | 1999 | 58,9 Mt | 2018 | 47,44 Mt |
| 1981 | 48,01 Mt | 2000 | 57,53 Mt | 2019 | 44,14 Mt |
| 1982 | 46,27 Mt | 2001 | 63,58 Mt | 2020 | 39,47 Mt |
| 1983 | 44,68 Mt | 2002 | 65,73 Mt | 2021 | 39,31 Mt |
| 1984 | 46,03 Mt | 2003 | 74,1 Mt | 2022 | 37,12 Mt |
| 1985 | 50,46 Mt | 2004 | 70,45 Mt | 2023 | 32,89 Mt |
| 1986 | 50,57 Mt | 2005 | 58,25 Mt | 2024 | 31,11 Mt |
| 1987 | 55,23 Mt | 2006 | 69,86 Mt | | |
| 1988 | 53,87 Mt | 2007 | 68,07 Mt | | |
Mostrar tabla de datos
| 1970 | 9,03 t | 1989 | 10,86 t | 2008 | 11,26 t |
| 1971 | 8,89 t | 1990 | 11,28 t | 2009 | 10,69 t |
| 1972 | 9,56 t | 1991 | 11,35 t | 2010 | 12,28 t |
| 1973 | 10,38 t | 1992 | 10,73 t | 2011 | 10,81 t |
| 1974 | 9,51 t | 1993 | 10,93 t | 2012 | 9,67 t |
| 1975 | 9,5 t | 1994 | 12,2 t | 2013 | 9,81 t |
| 1976 | 10,79 t | 1995 | 11,5 t | 2014 | 9,05 t |
| 1977 | 10,69 t | 1996 | 12,67 t | 2015 | 8,39 t |
| 1978 | 12,02 t | 1997 | 12,21 t | 2016 | 8,88 t |
| 1979 | 11,94 t | 1998 | 11,55 t | 2017 | 8,36 t |
| 1980 | 12,01 t | 1999 | 11,4 t | 2018 | 8,6 t |
| 1981 | 10 t | 2000 | 11,11 t | 2019 | 7,99 t |
| 1982 | 9,59 t | 2001 | 12,25 t | 2020 | 7,14 t |
| 1983 | 9,2 t | 2002 | 12,64 t | 2021 | 7,09 t |
| 1984 | 9,43 t | 2003 | 14,21 t | 2022 | 6,68 t |
| 1985 | 10,29 t | 2004 | 13,48 t | 2023 | 5,89 t |
| 1986 | 10,28 t | 2005 | 11,1 t | 2024 | 5,54 t |
| 1987 | 11,2 t | 2006 | 13,26 t | | |
| 1988 | 10,89 t | 2007 | 12,87 t | | |