Mostrar tabla de datos
| 1970 | 36,38 Mt | 1989 | 36,07 Mt | 2008 | 47,1 Mt |
| 1971 | 35,1 Mt | 1990 | 36,31 Mt | 2009 | 45,12 Mt |
| 1972 | 38,09 Mt | 1991 | 33,82 Mt | 2010 | 47,98 Mt |
| 1973 | 38,67 Mt | 1992 | 36,36 Mt | 2011 | 46,94 Mt |
| 1974 | 37,09 Mt | 1993 | 38,5 Mt | 2012 | 46,39 Mt |
| 1975 | 36,38 Mt | 1994 | 40,48 Mt | 2013 | 46,88 Mt |
| 1976 | 38,51 Mt | 1995 | 40,65 Mt | 2014 | 46,99 Mt |
| 1977 | 39,48 Mt | 1996 | 40,94 Mt | 2015 | 47,95 Mt |
| 1978 | 38,45 Mt | 1997 | 43,3 Mt | 2016 | 47,37 Mt |
| 1979 | 41,23 Mt | 1998 | 45,1 Mt | 2017 | 47,41 Mt |
| 1980 | 39,54 Mt | 1999 | 46,72 Mt | 2018 | 46,64 Mt |
| 1981 | 36,09 Mt | 2000 | 41,77 Mt | 2019 | 45,35 Mt |
| 1982 | 32,67 Mt | 2001 | 42,28 Mt | 2020 | 43,71 Mt |
| 1983 | 32,55 Mt | 2002 | 41,58 Mt | 2021 | 44,43 Mt |
| 1984 | 34,52 Mt | 2003 | 44,45 Mt | 2022 | 43,55 Mt |
| 1985 | 34,98 Mt | 2004 | 44,89 Mt | 2023 | 41,6 Mt |
| 1986 | 37,37 Mt | 2005 | 43,31 Mt | 2024 | 40 Mt |
| 1987 | 36,05 Mt | 2006 | 44,01 Mt | | |
| 1988 | 37,07 Mt | 2007 | 44,91 Mt | | |
Mostrar tabla de datos
| 1970 | 9,39 t | 1989 | 8,53 t | 2008 | 9,88 t |
| 1971 | 8,99 t | 1990 | 8,56 t | 2009 | 9,35 t |
| 1972 | 9,69 t | 1991 | 7,94 t | 2010 | 9,81 t |
| 1973 | 9,76 t | 1992 | 8,48 t | 2011 | 9,48 t |
| 1974 | 9,31 t | 1993 | 8,93 t | 2012 | 9,24 t |
| 1975 | 9,08 t | 1994 | 9,34 t | 2013 | 9,23 t |
| 1976 | 9,57 t | 1995 | 9,32 t | 2014 | 9,15 t |
| 1977 | 9,77 t | 1996 | 9,34 t | 2015 | 9,24 t |
| 1978 | 9,47 t | 1997 | 9,83 t | 2016 | 9,05 t |
| 1979 | 10,12 t | 1998 | 10,18 t | 2017 | 8,98 t |
| 1980 | 9,68 t | 1999 | 10,47 t | 2018 | 8,78 t |
| 1981 | 8,8 t | 2000 | 9,3 t | 2019 | 8,48 t |
| 1982 | 7,94 t | 2001 | 9,37 t | 2020 | 8,12 t |
| 1983 | 7,88 t | 2002 | 9,16 t | 2021 | 8,21 t |
| 1984 | 8,34 t | 2003 | 9,74 t | 2022 | 7,98 t |
| 1985 | 8,42 t | 2004 | 9,78 t | 2023 | 7,54 t |
| 1986 | 8,97 t | 2005 | 9,37 t | 2024 | 7,18 t |
| 1987 | 8,61 t | 2006 | 9,44 t | | |
| 1988 | 8,81 t | 2007 | 9,54 t | | |