Mostrar tabla de datos
| 1970 | 10,09 Mt | 1989 | 18,11 Mt | 2008 | 5,6485 Mt |
| 1971 | 10,11 Mt | 1990 | 20,78 Mt | 2009 | 4,502 Mt |
| 1972 | 10,82 Mt | 1991 | 21,6 Mt | 2010 | 4,2991 Mt |
| 1973 | 11,76 Mt | 1992 | 10,98 Mt | 2011 | 4,9041 Mt |
| 1974 | 12,67 Mt | 1993 | 5,1153 Mt | 2012 | 5,6696 Mt |
| 1975 | 13,83 Mt | 1994 | 2,8083 Mt | 2013 | 5,4929 Mt |
| 1976 | 14,22 Mt | 1995 | 3,5412 Mt | 2014 | 5,7607 Mt |
| 1977 | 14,76 Mt | 1996 | 2,5941 Mt | 2015 | 5,6172 Mt |
| 1978 | 15,36 Mt | 1997 | 3,3384 Mt | 2016 | 5,3749 Mt |
| 1979 | 15,94 Mt | 1998 | 3,4727 Mt | 2017 | 5,6892 Mt |
| 1980 | 17,01 Mt | 1999 | 3,1043 Mt | 2018 | 5,9516 Mt |
| 1981 | 17,42 Mt | 2000 | 3,5697 Mt | 2019 | 6,4247 Mt |
| 1982 | 17,96 Mt | 2001 | 3,6334 Mt | 2020 | 6,9145 Mt |
| 1983 | 18,01 Mt | 2002 | 3,1014 Mt | 2021 | 7,4634 Mt |
| 1984 | 18,15 Mt | 2003 | 3,4708 Mt | 2022 | 7,7742 Mt |
| 1985 | 18,23 Mt | 2004 | 3,7592 Mt | 2023 | 7,4987 Mt |
| 1986 | 18,42 Mt | 2005 | 4,4627 Mt | 2024 | 7,4936 Mt |
| 1987 | 18,62 Mt | 2006 | 4,4457 Mt | | |
| 1988 | 18,53 Mt | 2007 | 5,1543 Mt | | |
Mostrar tabla de datos
| 1970 | 4,08 t | 1989 | 5,26 t | 2008 | 1,83 t |
| 1971 | 4 t | 1990 | 5,85 t | 2009 | 1,47 t |
| 1972 | 4,2 t | 1991 | 5,98 t | 2010 | 1,41 t |
| 1973 | 4,47 t | 1992 | 3,07 t | 2011 | 1,62 t |
| 1974 | 4,72 t | 1993 | 1,48 t | 2012 | 1,87 t |
| 1975 | 5,04 t | 1994 | 0,83 t | 2013 | 1,82 t |
| 1976 | 5,05 t | 1995 | 1,07 t | 2014 | 1,91 t |
| 1977 | 5,07 t | 1996 | 0,79 t | 2015 | 1,87 t |
| 1978 | 5,1 t | 1997 | 1,03 t | 2016 | 1,8 t |
| 1979 | 5,18 t | 1998 | 1,08 t | 2017 | 1,91 t |
| 1980 | 5,47 t | 1999 | 0,98 t | 2018 | 2 t |
| 1981 | 5,56 t | 2000 | 1,11 t | 2019 | 2,17 t |
| 1982 | 5,68 t | 2001 | 1,13 t | 2020 | 2,33 t |
| 1983 | 5,64 t | 2002 | 0,97 t | 2021 | 2,52 t |
| 1984 | 5,63 t | 2003 | 1,09 t | 2022 | 2,62 t |
| 1985 | 5,59 t | 2004 | 1,19 t | 2023 | 2,53 t |
| 1986 | 5,59 t | 2005 | 1,42 t | 2024 | 2,47 t |
| 1987 | 5,59 t | 2006 | 1,42 t | | |
| 1988 | 5,52 t | 2007 | 1,66 t | | |