Mostrar tabla de datos
| 1970 | 9,5265 Mt | 1989 | 34,27 Mt | 2008 | 43,13 Mt |
| 1971 | 9,5651 Mt | 1990 | 35,04 Mt | 2009 | 45,15 Mt |
| 1972 | 9,851 Mt | 1991 | 38,5 Mt | 2010 | 42,23 Mt |
| 1973 | 9,938 Mt | 1992 | 43,49 Mt | 2011 | 45,18 Mt |
| 1974 | 11,39 Mt | 1993 | 44,46 Mt | 2012 | 44,65 Mt |
| 1975 | 11,27 Mt | 1994 | 38,14 Mt | 2013 | 46,19 Mt |
| 1976 | 13,08 Mt | 1995 | 38,63 Mt | 2014 | 47,55 Mt |
| 1977 | 15,17 Mt | 1996 | 36,1 Mt | 2015 | 44,25 Mt |
| 1978 | 16,17 Mt | 1997 | 34,41 Mt | 2016 | 45,08 Mt |
| 1979 | 15,12 Mt | 1998 | 42,57 Mt | 2017 | 44,13 Mt |
| 1980 | 15,56 Mt | 1999 | 45,54 Mt | 2018 | 44,06 Mt |
| 1981 | 16,74 Mt | 2000 | 41,9 Mt | 2019 | 43,51 Mt |
| 1982 | 19,05 Mt | 2001 | 41,86 Mt | 2020 | 34,06 Mt |
| 1983 | 22,55 Mt | 2002 | 40,95 Mt | 2021 | 34,54 Mt |
| 1984 | 24,92 Mt | 2003 | 44,52 Mt | 2022 | 32,13 Mt |
| 1985 | 25,94 Mt | 2004 | 40,75 Mt | 2023 | 34,12 Mt |
| 1986 | 29,79 Mt | 2005 | 43,01 Mt | 2024 | 34,62 Mt |
| 1987 | 29,81 Mt | 2006 | 42,43 Mt | | |
| 1988 | 33,35 Mt | 2007 | 44,43 Mt | | |
Mostrar tabla de datos
| 1970 | 2,41 t | 1989 | 6,03 t | 2008 | 6,2 t |
| 1971 | 2,36 t | 1990 | 6,14 t | 2009 | 6,47 t |
| 1972 | 2,39 t | 1991 | 6,69 t | 2010 | 6,01 t |
| 1973 | 2,34 t | 1992 | 7,5 t | 2011 | 6,39 t |
| 1974 | 2,6 t | 1993 | 7,53 t | 2012 | 6,24 t |
| 1975 | 2,53 t | 1994 | 6,32 t | 2013 | 6,43 t |
| 1976 | 2,9 t | 1995 | 6,27 t | 2014 | 6,58 t |
| 1977 | 3,31 t | 1996 | 5,61 t | 2015 | 6,07 t |
| 1978 | 3,46 t | 1997 | 5,3 t | 2016 | 6,14 t |
| 1979 | 3,07 t | 1998 | 6,51 t | 2017 | 5,97 t |
| 1980 | 3,07 t | 1999 | 6,89 t | 2018 | 5,91 t |
| 1981 | 3,23 t | 2000 | 6,29 t | 2019 | 5,79 t |
| 1982 | 3,62 t | 2001 | 6,23 t | 2020 | 4,55 t |
| 1983 | 4,22 t | 2002 | 6,07 t | 2021 | 4,66 t |
| 1984 | 4,62 t | 2003 | 6,61 t | 2022 | 4,37 t |
| 1985 | 4,75 t | 2004 | 6,01 t | 2023 | 4,53 t |
| 1986 | 5,39 t | 2005 | 6,31 t | 2024 | 4,6 t |
| 1987 | 5,34 t | 2006 | 6,19 t | | |
| 1988 | 5,93 t | 2007 | 6,42 t | | |