Mostrar tabla de datos
| 1970 | 14,7 Mt | 1989 | 17,5 Mt | 2008 | 61,86 Mt |
| 1971 | 18,3 Mt | 1990 | 16,98 Mt | 2009 | 63,97 Mt |
| 1972 | 22,02 Mt | 1991 | 18,03 Mt | 2010 | 72,21 Mt |
| 1973 | 24,67 Mt | 1992 | 18,97 Mt | 2011 | 83,18 Mt |
| 1974 | 20,81 Mt | 1993 | 19,47 Mt | 2012 | 92,32 Mt |
| 1975 | 19,92 Mt | 1994 | 20,51 Mt | 2013 | 102,13 Mt |
| 1976 | 18,64 Mt | 1995 | 20,98 Mt | 2014 | 110,76 Mt |
| 1977 | 16,69 Mt | 1996 | 22,78 Mt | 2015 | 114,08 Mt |
| 1978 | 18,8 Mt | 1997 | 27,9 Mt | 2016 | 114,05 Mt |
| 1979 | 17,6 Mt | 1998 | 30,04 Mt | 2017 | 114,11 Mt |
| 1980 | 14,56 Mt | 1999 | 32,53 Mt | 2018 | 114,9 Mt |
| 1981 | 11,83 Mt | 2000 | 31,75 Mt | 2019 | 117,66 Mt |
| 1982 | 12,64 Mt | 2001 | 32,43 Mt | 2020 | 115,34 Mt |
| 1983 | 11,33 Mt | 2002 | 36,2 Mt | 2021 | 118,44 Mt |
| 1984 | 16,35 Mt | 2003 | 38,27 Mt | 2022 | 120,1 Mt |
| 1985 | 15,45 Mt | 2004 | 41,17 Mt | 2023 | 129,2 Mt |
| 1986 | 16,23 Mt | 2005 | 43,56 Mt | 2024 | 135,27 Mt |
| 1987 | 16,4 Mt | 2006 | 48,99 Mt | | |
| 1988 | 16,75 Mt | 2007 | 56,15 Mt | | |
Mostrar tabla de datos
| 1970 | 126,35 t | 1989 | 41,12 t | 2008 | 43,35 t |
| 1971 | 139,3 t | 1990 | 38,58 t | 2009 | 39,76 t |
| 1972 | 150,31 t | 1991 | 39,63 t | 2010 | 44,66 t |
| 1973 | 152,44 t | 1992 | 40,4 t | 2011 | 51,2 t |
| 1974 | 117,35 t | 1993 | 40,18 t | 2012 | 53,6 t |
| 1975 | 103,16 t | 1994 | 41,06 t | 2013 | 53,29 t |
| 1976 | 89,17 t | 1995 | 40,79 t | 2014 | 51,48 t |
| 1977 | 74,09 t | 1996 | 43,07 t | 2015 | 48,66 t |
| 1978 | 77,75 t | 1997 | 50,68 t | 2016 | 46,04 t |
| 1979 | 68,03 t | 1998 | 51,75 t | 2017 | 44,82 t |
| 1980 | 52,79 t | 1999 | 53,11 t | 2018 | 44,52 t |
| 1981 | 40,29 t | 2000 | 49,23 t | 2019 | 44,59 t |
| 1982 | 40,58 t | 2001 | 47,84 t | 2020 | 41,28 t |
| 1983 | 34,35 t | 2002 | 50,9 t | 2021 | 47,28 t |
| 1984 | 47 t | 2003 | 51,39 t | 2022 | 45,2 t |
| 1985 | 42,22 t | 2004 | 53,24 t | 2023 | 48,64 t |
| 1986 | 42,45 t | 2005 | 52,77 t | 2024 | 47,33 t |
| 1987 | 41,31 t | 2006 | 50,36 t | | |
| 1988 | 40,74 t | 2007 | 46,46 t | | |