Mostrar tabla de datos
| 1970 | 15,49 Mt | 1989 | 23,16 Mt | 2008 | 36,19 Mt |
| 1971 | 15,1 Mt | 1990 | 24,98 Mt | 2009 | 33,42 Mt |
| 1972 | 17,26 Mt | 1991 | 25,66 Mt | 2010 | 33,44 Mt |
| 1973 | 18,65 Mt | 1992 | 27,3 Mt | 2011 | 32,71 Mt |
| 1974 | 19,36 Mt | 1993 | 27,32 Mt | 2012 | 34,79 Mt |
| 1975 | 18,31 Mt | 1994 | 27,89 Mt | 2013 | 34,58 Mt |
| 1976 | 20,1 Mt | 1995 | 28,81 Mt | 2014 | 35,29 Mt |
| 1977 | 20,65 Mt | 1996 | 29,8 Mt | 2015 | 35,39 Mt |
| 1978 | 20,11 Mt | 1997 | 31,34 Mt | 2016 | 34,74 Mt |
| 1979 | 18,31 Mt | 1998 | 30,45 Mt | 2017 | 36,27 Mt |
| 1980 | 18,41 Mt | 1999 | 32,03 Mt | 2018 | 35,63 Mt |
| 1981 | 18,2 Mt | 2000 | 33 Mt | 2019 | 37,25 Mt |
| 1982 | 19,89 Mt | 2001 | 34,91 Mt | 2020 | 34,67 Mt |
| 1983 | 20,06 Mt | 2002 | 35 Mt | 2021 | 34,71 Mt |
| 1984 | 20,46 Mt | 2003 | 35,92 Mt | 2022 | 32,12 Mt |
| 1985 | 21,45 Mt | 2004 | 35,52 Mt | 2023 | 31,78 Mt |
| 1986 | 20,92 Mt | 2005 | 36,19 Mt | 2024 | 31,81 Mt |
| 1987 | 22,02 Mt | 2006 | 36,3 Mt | | |
| 1988 | 23,31 Mt | 2007 | 35,09 Mt | | |
Mostrar tabla de datos
| 1970 | 5,51 t | 1989 | 7,02 t | 2008 | 8,5 t |
| 1971 | 5,29 t | 1990 | 7,5 t | 2009 | 7,77 t |
| 1972 | 5,94 t | 1991 | 7,34 t | 2010 | 7,69 t |
| 1973 | 6,3 t | 1992 | 7,73 t | 2011 | 7,46 t |
| 1974 | 6,4 t | 1993 | 7,65 t | 2012 | 7,89 t |
| 1975 | 5,94 t | 1994 | 7,71 t | 2013 | 7,78 t |
| 1976 | 6,46 t | 1995 | 7,84 t | 2014 | 7,81 t |
| 1977 | 6,62 t | 1996 | 7,99 t | 2015 | 7,68 t |
| 1978 | 6,44 t | 1997 | 8,29 t | 2016 | 7,37 t |
| 1979 | 5,89 t | 1998 | 7,98 t | 2017 | 7,53 t |
| 1980 | 5,92 t | 1999 | 8,35 t | 2018 | 7,27 t |
| 1981 | 5,83 t | 2000 | 8,55 t | 2019 | 7,49 t |
| 1982 | 6,3 t | 2001 | 9 t | 2020 | 6,84 t |
| 1983 | 6,27 t | 2002 | 8,86 t | 2021 | 6,83 t |
| 1984 | 6,34 t | 2003 | 8,92 t | 2022 | 6,32 t |
| 1985 | 6,61 t | 2004 | 8,69 t | 2023 | 6,11 t |
| 1986 | 6,44 t | 2005 | 8,75 t | 2024 | 6,02 t |
| 1987 | 6,73 t | 2006 | 8,68 t | | |
| 1988 | 7,1 t | 2007 | 8,31 t | | |