Mostrar tabla de datos
| 1970 | 11,24 Mt | 1989 | 19,6 Mt | 2008 | 21,65 Mt |
| 1971 | 11,28 Mt | 1990 | 24,57 Mt | 2009 | 21,66 Mt |
| 1972 | 11,09 Mt | 1991 | 21,99 Mt | 2010 | 22,22 Mt |
| 1973 | 12,09 Mt | 1992 | 16,23 Mt | 2011 | 25,27 Mt |
| 1974 | 13,07 Mt | 1993 | 13,62 Mt | 2012 | 23,31 Mt |
| 1975 | 13,34 Mt | 1994 | 3,3002 Mt | 2013 | 23,21 Mt |
| 1976 | 13,23 Mt | 1995 | 3,5148 Mt | 2014 | 20,8 Mt |
| 1977 | 13,94 Mt | 1996 | 4,3994 Mt | 2015 | 20,83 Mt |
| 1978 | 14,62 Mt | 1997 | 8,7233 Mt | 2016 | 23,51 Mt |
| 1979 | 15,13 Mt | 1998 | 11,05 Mt | 2017 | 23,99 Mt |
| 1980 | 14,59 Mt | 1999 | 10,89 Mt | 2018 | 24,06 Mt |
| 1981 | 16,21 Mt | 2000 | 14,28 Mt | 2019 | 22,6 Mt |
| 1982 | 16,74 Mt | 2001 | 14,1 Mt | 2020 | 22,54 Mt |
| 1983 | 17,73 Mt | 2002 | 14,83 Mt | 2021 | 23,01 Mt |
| 1984 | 18,51 Mt | 2003 | 15,19 Mt | 2022 | 22,4 Mt |
| 1985 | 19,51 Mt | 2004 | 16,03 Mt | 2023 | 20,83 Mt |
| 1986 | 20,45 Mt | 2005 | 16,85 Mt | 2024 | 20,41 Mt |
| 1987 | 18,89 Mt | 2006 | 18,69 Mt | | |
| 1988 | 19,27 Mt | 2007 | 19,73 Mt | | |
Mostrar tabla de datos
| 1970 | 2,98 t | 1989 | 4,42 t | 2008 | 5,49 t |
| 1971 | 2,96 t | 1990 | 5,52 t | 2009 | 5,58 t |
| 1972 | 2,88 t | 1991 | 4,93 t | 2010 | 5,83 t |
| 1973 | 3,11 t | 1992 | 3,83 t | 2011 | 6,75 t |
| 1974 | 3,33 t | 1993 | 3,49 t | 2012 | 6,35 t |
| 1975 | 3,36 t | 1994 | 0,89 t | 2013 | 6,43 t |
| 1976 | 3,3 t | 1995 | 0,95 t | 2014 | 5,83 t |
| 1977 | 3,45 t | 1996 | 1,14 t | 2015 | 5,92 t |
| 1978 | 3,58 t | 1997 | 2,17 t | 2016 | 6,77 t |
| 1979 | 3,68 t | 1998 | 2,7 t | 2017 | 7 t |
| 1980 | 3,52 t | 1999 | 2,64 t | 2018 | 7,1 t |
| 1981 | 3,87 t | 2000 | 3,43 t | 2019 | 6,75 t |
| 1982 | 3,97 t | 2001 | 3,37 t | 2020 | 6,83 t |
| 1983 | 4,16 t | 2002 | 3,54 t | 2021 | 7,09 t |
| 1984 | 4,31 t | 2003 | 3,63 t | 2022 | 6,99 t |
| 1985 | 4,51 t | 2004 | 3,87 t | 2023 | 6,54 t |
| 1986 | 4,69 t | 2005 | 4,11 t | 2024 | 6,45 t |
| 1987 | 4,3 t | 2006 | 4,6 t | | |
| 1988 | 4,37 t | 2007 | 4,91 t | | |