Mostrar tabla de datos
| 1970 | 6,339 Mt | 1989 | 28,67 Mt | 2008 | 66,68 Mt |
| 1971 | 6,3711 Mt | 1990 | 33 Mt | 2009 | 62,41 Mt |
| 1972 | 6,1415 Mt | 1991 | 36,11 Mt | 2010 | 62,69 Mt |
| 1973 | 5,8373 Mt | 1992 | 35,88 Mt | 2011 | 58,62 Mt |
| 1974 | 7,9431 Mt | 1993 | 36,87 Mt | 2012 | 46,25 Mt |
| 1975 | 9,2947 Mt | 1994 | 38,88 Mt | 2013 | 31,2 Mt |
| 1976 | 10,68 Mt | 1995 | 40,51 Mt | 2014 | 30,99 Mt |
| 1977 | 11,75 Mt | 1996 | 43,53 Mt | 2015 | 28,14 Mt |
| 1978 | 12,05 Mt | 1997 | 43,34 Mt | 2016 | 25,88 Mt |
| 1979 | 15,34 Mt | 1998 | 46,02 Mt | 2017 | 31,08 Mt |
| 1980 | 14,37 Mt | 1999 | 45,21 Mt | 2018 | 34 Mt |
| 1981 | 16,17 Mt | 2000 | 45,9 Mt | 2019 | 33,32 Mt |
| 1982 | 19,14 Mt | 2001 | 46,01 Mt | 2020 | 31,75 Mt |
| 1983 | 22,61 Mt | 2002 | 45,83 Mt | 2021 | 32,04 Mt |
| 1984 | 25,34 Mt | 2003 | 45,98 Mt | 2022 | 31,17 Mt |
| 1985 | 22,86 Mt | 2004 | 48,03 Mt | 2023 | 31,36 Mt |
| 1986 | 23,84 Mt | 2005 | 58,81 Mt | 2024 | 31,45 Mt |
| 1987 | 30,28 Mt | 2006 | 61,57 Mt | | |
| 1988 | 29,71 Mt | 2007 | 65,02 Mt | | |
Mostrar tabla de datos
| 1970 | 0,99 t | 1989 | 2,35 t | 2008 | 3,08 t |
| 1971 | 0,97 t | 1990 | 2,62 t | 2009 | 2,84 t |
| 1972 | 0,9 t | 1991 | 2,78 t | 2010 | 2,79 t |
| 1973 | 0,83 t | 1992 | 2,68 t | 2011 | 2,56 t |
| 1974 | 1,09 t | 1993 | 2,67 t | 2012 | 2,03 t |
| 1975 | 1,23 t | 1994 | 2,74 t | 2013 | 1,44 t |
| 1976 | 1,37 t | 1995 | 2,77 t | 2014 | 1,53 t |
| 1977 | 1,45 t | 1996 | 2,9 t | 2015 | 1,45 t |
| 1978 | 1,44 t | 1997 | 2,81 t | 2016 | 1,35 t |
| 1979 | 1,77 t | 1998 | 2,91 t | 2017 | 1,62 t |
| 1980 | 1,6 t | 1999 | 2,79 t | 2018 | 1,74 t |
| 1981 | 1,75 t | 2000 | 2,76 t | 2019 | 1,64 t |
| 1982 | 2 t | 2001 | 2,7 t | 2020 | 1,51 t |
| 1983 | 2,28 t | 2002 | 2,62 t | 2021 | 1,48 t |
| 1984 | 2,47 t | 2003 | 2,57 t | 2022 | 1,39 t |
| 1985 | 2,15 t | 2004 | 2,62 t | 2023 | 1,33 t |
| 1986 | 2,17 t | 2005 | 3,13 t | 2024 | 1,27 t |
| 1987 | 2,66 t | 2006 | 3,14 t | | |
| 1988 | 2,52 t | 2007 | 3,11 t | | |