Mostrar tabla de datos
| 1970 | 14,91 Mt | 1989 | 33,79 Mt | 2008 | 67,78 Mt |
| 1971 | 14,93 Mt | 1990 | 35,22 Mt | 2009 | 67,05 Mt |
| 1972 | 15,74 Mt | 1991 | 35,87 Mt | 2010 | 71,95 Mt |
| 1973 | 16,85 Mt | 1992 | 38,41 Mt | 2011 | 71,14 Mt |
| 1974 | 17,3 Mt | 1993 | 42,12 Mt | 2012 | 77,59 Mt |
| 1975 | 18,2 Mt | 1994 | 45,08 Mt | 2013 | 68,29 Mt |
| 1976 | 18,17 Mt | 1995 | 48,19 Mt | 2014 | 65,92 Mt |
| 1977 | 18,96 Mt | 1996 | 51,26 Mt | 2015 | 67,99 Mt |
| 1978 | 20,19 Mt | 1997 | 52,93 Mt | 2016 | 67,55 Mt |
| 1979 | 20,56 Mt | 1998 | 53,5 Mt | 2017 | 67,82 Mt |
| 1980 | 20,42 Mt | 1999 | 54,94 Mt | 2018 | 63,5 Mt |
| 1981 | 21,27 Mt | 2000 | 59,28 Mt | 2019 | 65,31 Mt |
| 1982 | 22,47 Mt | 2001 | 59,23 Mt | 2020 | 61,39 Mt |
| 1983 | 23,29 Mt | 2002 | 62,49 Mt | 2021 | 60,97 Mt |
| 1984 | 24,14 Mt | 2003 | 64,25 Mt | 2022 | 63,64 Mt |
| 1985 | 25,81 Mt | 2004 | 64,01 Mt | 2023 | 60,48 Mt |
| 1986 | 28,12 Mt | 2005 | 61,87 Mt | 2024 | 57,67 Mt |
| 1987 | 30,68 Mt | 2006 | 65,04 Mt | | |
| 1988 | 32,56 Mt | 2007 | 67,42 Mt | | |
Mostrar tabla de datos
| 1970 | 5,01 t | 1989 | 7,48 t | 2008 | 9,27 t |
| 1971 | 4,87 t | 1990 | 7,56 t | 2009 | 8,96 t |
| 1972 | 5 t | 1991 | 7,25 t | 2010 | 9,44 t |
| 1973 | 5,14 t | 1992 | 7,5 t | 2011 | 9,16 t |
| 1974 | 5,12 t | 1993 | 8,01 t | 2012 | 9,81 t |
| 1975 | 5,27 t | 1994 | 8,35 t | 2013 | 8,47 t |
| 1976 | 5,14 t | 1995 | 8,69 t | 2014 | 8,02 t |
| 1977 | 5,25 t | 1996 | 9,01 t | 2015 | 8,11 t |
| 1978 | 5,47 t | 1997 | 9,07 t | 2016 | 7,9 t |
| 1979 | 5,43 t | 1998 | 8,96 t | 2017 | 7,78 t |
| 1980 | 5,27 t | 1999 | 8,97 t | 2018 | 7,15 t |
| 1981 | 5,38 t | 2000 | 9,43 t | 2019 | 7,21 t |
| 1982 | 5,57 t | 2001 | 9,2 t | 2020 | 6,66 t |
| 1983 | 5,67 t | 2002 | 9,51 t | 2021 | 6,51 t |
| 1984 | 5,8 t | 2003 | 9,6 t | 2022 | 6,66 t |
| 1985 | 6,1 t | 2004 | 9,4 t | 2023 | 6,14 t |
| 1986 | 6,54 t | 2005 | 8,93 t | 2024 | 5,78 t |
| 1987 | 7,02 t | 2006 | 9,22 t | | |
| 1988 | 7,33 t | 2007 | 9,39 t | | |