Mostrar tabla de datos
| 1970 | 15,45 Mt | 1989 | 20,63 Mt | 2008 | 7,8239 Mt |
| 1971 | 15,47 Mt | 1990 | 23,66 Mt | 2009 | 7,0415 Mt |
| 1972 | 16,43 Mt | 1991 | 21,26 Mt | 2010 | 6,6057 Mt |
| 1973 | 17,3 Mt | 1992 | 14 Mt | 2011 | 7,9039 Mt |
| 1974 | 18,07 Mt | 1993 | 10,29 Mt | 2012 | 10,44 Mt |
| 1975 | 19,14 Mt | 1994 | 6,7303 Mt | 2013 | 9,6866 Mt |
| 1976 | 19,82 Mt | 1995 | 4,758 Mt | 2014 | 9,9416 Mt |
| 1977 | 20,35 Mt | 1996 | 5,9157 Mt | 2015 | 10,32 Mt |
| 1978 | 21,31 Mt | 1997 | 5,8369 Mt | 2016 | 9,7414 Mt |
| 1979 | 21,84 Mt | 1998 | 6,157 Mt | 2017 | 9,6372 Mt |
| 1980 | 22,96 Mt | 1999 | 4,9139 Mt | 2018 | 11,47 Mt |
| 1981 | 22,03 Mt | 2000 | 4,7979 Mt | 2019 | 10,23 Mt |
| 1982 | 20,88 Mt | 2001 | 4,031 Mt | 2020 | 9,3085 Mt |
| 1983 | 19,78 Mt | 2002 | 5,0384 Mt | 2021 | 10,52 Mt |
| 1984 | 18,82 Mt | 2003 | 5,6599 Mt | 2022 | 10,5 Mt |
| 1985 | 18,27 Mt | 2004 | 5,6107 Mt | 2023 | 10,23 Mt |
| 1986 | 18,18 Mt | 2005 | 5,6133 Mt | 2024 | 10,75 Mt |
| 1987 | 19,87 Mt | 2006 | 5,5903 Mt | | |
| 1988 | 20,57 Mt | 2007 | 6,7415 Mt | | |
Mostrar tabla de datos
| 1970 | 5,22 t | 1989 | 4,79 t | 2008 | 1,47 t |
| 1971 | 5,12 t | 1990 | 5,39 t | 2009 | 1,31 t |
| 1972 | 5,32 t | 1991 | 4,76 t | 2010 | 1,21 t |
| 1973 | 5,49 t | 1992 | 3,1 t | 2011 | 1,43 t |
| 1974 | 5,61 t | 1993 | 2,28 t | 2012 | 1,85 t |
| 1975 | 5,81 t | 1994 | 1,49 t | 2013 | 1,68 t |
| 1976 | 5,9 t | 1995 | 1,04 t | 2014 | 1,68 t |
| 1977 | 5,94 t | 1996 | 1,28 t | 2015 | 1,71 t |
| 1978 | 6,11 t | 1997 | 1,24 t | 2016 | 1,58 t |
| 1979 | 6,15 t | 1998 | 1,29 t | 2017 | 1,53 t |
| 1980 | 6,35 t | 1999 | 1,02 t | 2018 | 1,78 t |
| 1981 | 5,98 t | 2000 | 0,98 t | 2019 | 1,55 t |
| 1982 | 5,56 t | 2001 | 0,82 t | 2020 | 1,38 t |
| 1983 | 5,15 t | 2002 | 1,01 t | 2021 | 1,53 t |
| 1984 | 4,81 t | 2003 | 1,12 t | 2022 | 1,51 t |
| 1985 | 4,58 t | 2004 | 1,1 t | 2023 | 1,44 t |
| 1986 | 4,47 t | 2005 | 1,09 t | 2024 | 1,49 t |
| 1987 | 4,79 t | 2006 | 1,07 t | | |
| 1988 | 4,88 t | 2007 | 1,28 t | | |