Mostrar tabla de datos
| 1970 | 53 Mt | 1989 | 57,15 Mt | 2008 | 75,24 Mt |
| 1971 | 55,67 Mt | 1990 | 61,56 Mt | 2009 | 68,06 Mt |
| 1972 | 57,88 Mt | 1991 | 65,5 Mt | 2010 | 73,8 Mt |
| 1973 | 61,19 Mt | 1992 | 60,51 Mt | 2011 | 72,19 Mt |
| 1974 | 58,7 Mt | 1993 | 60,57 Mt | 2012 | 69,02 Mt |
| 1975 | 56,38 Mt | 1994 | 61,09 Mt | 2013 | 69,61 Mt |
| 1976 | 61,72 Mt | 1995 | 64,06 Mt | 2014 | 65,93 Mt |
| 1977 | 59 Mt | 1996 | 67,98 Mt | 2015 | 67,36 Mt |
| 1978 | 60,91 Mt | 1997 | 67,53 Mt | 2016 | 67,77 Mt |
| 1979 | 63,35 Mt | 1998 | 68,09 Mt | 2017 | 70,09 Mt |
| 1980 | 61,49 Mt | 1999 | 66,23 Mt | 2018 | 67,25 Mt |
| 1981 | 58,03 Mt | 2000 | 66,69 Mt | 2019 | 68,78 Mt |
| 1982 | 55,87 Mt | 2001 | 71,37 Mt | 2020 | 62,92 Mt |
| 1983 | 55,89 Mt | 2002 | 73,22 Mt | 2021 | 66,2 Mt |
| 1984 | 57,7 Mt | 2003 | 78,17 Mt | 2022 | 62,65 Mt |
| 1985 | 59,17 Mt | 2004 | 79,61 Mt | 2023 | 58,48 Mt |
| 1986 | 57,96 Mt | 2005 | 80,41 Mt | 2024 | 58,03 Mt |
| 1987 | 58,54 Mt | 2006 | 78,27 Mt | | |
| 1988 | 57,15 Mt | 2007 | 75,44 Mt | | |
Mostrar tabla de datos
| 1970 | 7,1 t | 1989 | 7,5 t | 2008 | 9,04 t |
| 1971 | 7,42 t | 1990 | 8,02 t | 2009 | 8,16 t |
| 1972 | 7,67 t | 1991 | 8,45 t | 2010 | 8,82 t |
| 1973 | 8,07 t | 1992 | 7,72 t | 2011 | 8,6 t |
| 1974 | 7,73 t | 1993 | 7,66 t | 2012 | 8,19 t |
| 1975 | 7,44 t | 1994 | 7,7 t | 2013 | 8,21 t |
| 1976 | 8,16 t | 1995 | 8,06 t | 2014 | 7,71 t |
| 1977 | 7,8 t | 1996 | 8,54 t | 2015 | 7,79 t |
| 1978 | 8,05 t | 1997 | 8,48 t | 2016 | 7,76 t |
| 1979 | 8,39 t | 1998 | 8,54 t | 2017 | 7,97 t |
| 1980 | 8,14 t | 1999 | 8,29 t | 2018 | 7,61 t |
| 1981 | 7,67 t | 2000 | 8,32 t | 2019 | 7,75 t |
| 1982 | 7,38 t | 2001 | 8,87 t | 2020 | 7,06 t |
| 1983 | 7,39 t | 2002 | 9,06 t | 2021 | 7,39 t |
| 1984 | 7,63 t | 2003 | 9,63 t | 2022 | 6,93 t |
| 1985 | 7,82 t | 2004 | 9,74 t | 2023 | 6,4 t |
| 1986 | 7,66 t | 2005 | 9,77 t | 2024 | 6,32 t |
| 1987 | 7,73 t | 2006 | 9,47 t | | |
| 1988 | 7,53 t | 2007 | 9,09 t | | |