Mostrar tabla de datos
| 1970 | 39,84 Mt | 1989 | 66,27 Mt | 2008 | 83,61 Mt |
| 1971 | 42,2 Mt | 1990 | 32,41 Mt | 2009 | 85,32 Mt |
| 1972 | 42,45 Mt | 1991 | 38,5 Mt | 2010 | 86,82 Mt |
| 1973 | 38,08 Mt | 1992 | 26,96 Mt | 2011 | 91,87 Mt |
| 1974 | 31,16 Mt | 1993 | 34,28 Mt | 2012 | 91,96 Mt |
| 1975 | 26,77 Mt | 1994 | 40,73 Mt | 2013 | 93,87 Mt |
| 1976 | 27,4 Mt | 1995 | 40,31 Mt | 2014 | 92,33 Mt |
| 1977 | 27,01 Mt | 1996 | 39,65 Mt | 2015 | 95,59 Mt |
| 1978 | 31,02 Mt | 1997 | 41,75 Mt | 2016 | 98,4 Mt |
| 1979 | 35,51 Mt | 1998 | 46,33 Mt | 2017 | 97,46 Mt |
| 1980 | 33,28 Mt | 1999 | 49,89 Mt | 2018 | 99,08 Mt |
| 1981 | 31,55 Mt | 2000 | 56,02 Mt | 2019 | 96,83 Mt |
| 1982 | 33,65 Mt | 2001 | 58,87 Mt | 2020 | 92,95 Mt |
| 1983 | 36,26 Mt | 2002 | 61,58 Mt | 2021 | 99,9 Mt |
| 1984 | 36,93 Mt | 2003 | 64,92 Mt | 2022 | 102,62 Mt |
| 1985 | 40,84 Mt | 2004 | 68,98 Mt | 2023 | 110,16 Mt |
| 1986 | 43,94 Mt | 2005 | 77,23 Mt | 2024 | 115,93 Mt |
| 1987 | 47,21 Mt | 2006 | 79,93 Mt | | |
| 1988 | 56,73 Mt | 2007 | 78,22 Mt | | |
Mostrar tabla de datos
| 1970 | 49,24 t | 1989 | 29,89 t | 2008 | 31,54 t |
| 1971 | 48,78 t | 1990 | 19,24 t | 2009 | 30,52 t |
| 1972 | 46,13 t | 1991 | 28,49 t | 2010 | 29,5 t |
| 1973 | 38,95 t | 1992 | 16,49 t | 2011 | 29,33 t |
| 1974 | 30,01 t | 1993 | 20,5 t | 2012 | 27,56 t |
| 1975 | 24,23 t | 1994 | 24,47 t | 2013 | 26,76 t |
| 1976 | 23,25 t | 1995 | 23,97 t | 2014 | 25,19 t |
| 1977 | 21,47 t | 1996 | 22,91 t | 2015 | 24,93 t |
| 1978 | 23,15 t | 1997 | 23,35 t | 2016 | 24,57 t |
| 1979 | 24,94 t | 1998 | 25,12 t | 2017 | 23,46 t |
| 1980 | 22,12 t | 1999 | 26,26 t | 2018 | 22,92 t |
| 1981 | 19,93 t | 2000 | 28,66 t | 2019 | 21,8 t |
| 1982 | 20,24 t | 2001 | 29,32 t | 2020 | 21,12 t |
| 1983 | 20,78 t | 2002 | 29,89 t | 2021 | 22,91 t |
| 1984 | 20,28 t | 2003 | 30,77 t | 2022 | 22,36 t |
| 1985 | 21,56 t | 2004 | 31,98 t | 2023 | 22,7 t |
| 1986 | 22,28 t | 2005 | 34,53 t | 2024 | 23,67 t |
| 1987 | 22,99 t | 2006 | 33,8 t | | |
| 1988 | 26,58 t | 2007 | 31,19 t | | |