Mostrar tabla de datos
| 1970 | 4,8451 Mt | 1989 | 7,9061 Mt | 2008 | 4,195 Mt |
| 1971 | 4,8382 Mt | 1990 | 6,6451 Mt | 2009 | 4,2836 Mt |
| 1972 | 5,5184 Mt | 1991 | 4,3796 Mt | 2010 | 4,567 Mt |
| 1973 | 4,952 Mt | 1992 | 2,3632 Mt | 2011 | 5,0007 Mt |
| 1974 | 5,3297 Mt | 1993 | 2,2228 Mt | 2012 | 4,5385 Mt |
| 1975 | 5,4242 Mt | 1994 | 2,3443 Mt | 2013 | 4,7703 Mt |
| 1976 | 5,7967 Mt | 1995 | 2,0702 Mt | 2014 | 5,1022 Mt |
| 1977 | 6,201 Mt | 1996 | 2,0552 Mt | 2015 | 4,8756 Mt |
| 1978 | 6,8211 Mt | 1997 | 1,5806 Mt | 2016 | 4,5382 Mt |
| 1979 | 7,9368 Mt | 1998 | 1,9149 Mt | 2017 | 5,3613 Mt |
| 1980 | 8,0566 Mt | 1999 | 3,0869 Mt | 2018 | 5,3341 Mt |
| 1981 | 7,0727 Mt | 2000 | 3,2329 Mt | 2019 | 4,984 Mt |
| 1982 | 7,2731 Mt | 2001 | 3,4396 Mt | 2020 | 4,5676 Mt |
| 1983 | 7,7923 Mt | 2002 | 4,0067 Mt | 2021 | 5,1122 Mt |
| 1984 | 8,4313 Mt | 2003 | 4,2116 Mt | 2022 | 4,5239 Mt |
| 1985 | 8,0741 Mt | 2004 | 4,4144 Mt | 2023 | 4,2226 Mt |
| 1986 | 8,1515 Mt | 2005 | 4,1489 Mt | 2024 | 4,2437 Mt |
| 1987 | 8,2928 Mt | 2006 | 4,1351 Mt | | |
| 1988 | 8,1997 Mt | 2007 | 4,246 Mt | | |
Mostrar tabla de datos
| 1970 | 2,27 t | 1989 | 2,45 t | 2008 | 1,42 t |
| 1971 | 2,21 t | 1990 | 2,02 t | 2009 | 1,46 t |
| 1972 | 2,46 t | 1991 | 1,34 t | 2010 | 1,57 t |
| 1973 | 2,16 t | 1992 | 0,73 t | 2011 | 1,72 t |
| 1974 | 2,27 t | 1993 | 0,69 t | 2012 | 1,59 t |
| 1975 | 2,26 t | 1994 | 0,73 t | 2013 | 1,69 t |
| 1976 | 2,36 t | 1995 | 0,65 t | 2014 | 1,84 t |
| 1977 | 2,47 t | 1996 | 0,65 t | 2015 | 1,79 t |
| 1978 | 2,66 t | 1997 | 0,5 t | 2016 | 1,69 t |
| 1979 | 3,03 t | 1998 | 0,61 t | 2017 | 2,02 t |
| 1980 | 3,02 t | 1999 | 0,99 t | 2018 | 2,05 t |
| 1981 | 2,59 t | 2000 | 1,05 t | 2019 | 1,94 t |
| 1982 | 2,61 t | 2001 | 1,12 t | 2020 | 1,81 t |
| 1983 | 2,74 t | 2002 | 1,31 t | 2021 | 2,05 t |
| 1984 | 2,9 t | 2003 | 1,39 t | 2022 | 1,85 t |
| 1985 | 2,72 t | 2004 | 1,46 t | 2023 | 1,75 t |
| 1986 | 2,7 t | 2005 | 1,38 t | 2024 | 1,79 t |
| 1987 | 2,69 t | 2006 | 1,38 t | | |
| 1988 | 2,61 t | 2007 | 1,43 t | | |