Mostrar tabla de datos
| 1970 | 8,1401 Mt | 1989 | 13,28 Mt | 2008 | 3,7908 Mt |
| 1971 | 8,1736 Mt | 1990 | 12,32 Mt | 2009 | 3,05 Mt |
| 1972 | 8,5641 Mt | 1991 | 11,63 Mt | 2010 | 3,071 Mt |
| 1973 | 8,935 Mt | 1992 | 8,5568 Mt | 2011 | 3,0824 Mt |
| 1974 | 9,3205 Mt | 1993 | 5,7987 Mt | 2012 | 3,5021 Mt |
| 1975 | 9,9764 Mt | 1994 | 3,5887 Mt | 2013 | 3,5939 Mt |
| 1976 | 10,22 Mt | 1995 | 3,0457 Mt | 2014 | 4,7682 Mt |
| 1977 | 10,5 Mt | 1996 | 2,7006 Mt | 2015 | 5,0917 Mt |
| 1978 | 10,78 Mt | 1997 | 2,9766 Mt | 2016 | 5,7155 Mt |
| 1979 | 11,05 Mt | 1998 | 3,2154 Mt | 2017 | 6,934 Mt |
| 1980 | 11,57 Mt | 1999 | 2,9958 Mt | 2018 | 8,2044 Mt |
| 1981 | 11,63 Mt | 2000 | 2,7846 Mt | 2019 | 9,0405 Mt |
| 1982 | 11,68 Mt | 2001 | 2,7419 Mt | 2020 | 9,3881 Mt |
| 1983 | 11,86 Mt | 2002 | 2,7554 Mt | 2021 | 9,4268 Mt |
| 1984 | 11,82 Mt | 2003 | 2,8163 Mt | 2022 | 9,5606 Mt |
| 1985 | 12,32 Mt | 2004 | 3,3521 Mt | 2023 | 9,3204 Mt |
| 1986 | 12,78 Mt | 2005 | 3,1911 Mt | 2024 | 9,7699 Mt |
| 1987 | 12,99 Mt | 2006 | 3,4897 Mt | | |
| 1988 | 13,2 Mt | 2007 | 4,0503 Mt | | |
Mostrar tabla de datos
| 1970 | 2,77 t | 1989 | 2,52 t | 2008 | 0,52 t |
| 1971 | 2,7 t | 1990 | 2,28 t | 2009 | 0,41 t |
| 1972 | 2,74 t | 1991 | 2,1 t | 2010 | 0,4 t |
| 1973 | 2,77 t | 1992 | 1,51 t | 2011 | 0,39 t |
| 1974 | 2,8 t | 1993 | 1,01 t | 2012 | 0,44 t |
| 1975 | 2,91 t | 1994 | 0,62 t | 2013 | 0,44 t |
| 1976 | 2,89 t | 1995 | 0,51 t | 2014 | 0,57 t |
| 1977 | 2,87 t | 1996 | 0,45 t | 2015 | 0,59 t |
| 1978 | 2,86 t | 1997 | 0,48 t | 2016 | 0,64 t |
| 1979 | 2,85 t | 1998 | 0,52 t | 2017 | 0,76 t |
| 1980 | 2,9 t | 1999 | 0,48 t | 2018 | 0,88 t |
| 1981 | 2,83 t | 2000 | 0,44 t | 2019 | 0,95 t |
| 1982 | 2,76 t | 2001 | 0,43 t | 2020 | 0,96 t |
| 1983 | 2,73 t | 2002 | 0,42 t | 2021 | 0,95 t |
| 1984 | 2,64 t | 2003 | 0,42 t | 2022 | 0,94 t |
| 1985 | 2,67 t | 2004 | 0,49 t | 2023 | 0,9 t |
| 1986 | 2,68 t | 2005 | 0,46 t | 2024 | 0,92 t |
| 1987 | 2,63 t | 2006 | 0,49 t | | |
| 1988 | 2,58 t | 2007 | 0,56 t | | |