Mostrar tabla de datos
| 1970 | 6,9307 Mt | 1989 | 12,78 Mt | 2008 | 38,65 Mt |
| 1971 | 6,8721 Mt | 1990 | 12,67 Mt | 2009 | 37,43 Mt |
| 1972 | 6,4323 Mt | 1991 | 12,93 Mt | 2010 | 41,02 Mt |
| 1973 | 6,6709 Mt | 1992 | 13,28 Mt | 2011 | 41,26 Mt |
| 1974 | 6,7771 Mt | 1993 | 12,95 Mt | 2012 | 38,08 Mt |
| 1975 | 6,0714 Mt | 1994 | 14,32 Mt | 2013 | 37,33 Mt |
| 1976 | 7,0918 Mt | 1995 | 13,82 Mt | 2014 | 37,2 Mt |
| 1977 | 7,8774 Mt | 1996 | 14,87 Mt | 2015 | 36,76 Mt |
| 1978 | 8,1754 Mt | 1997 | 14,85 Mt | 2016 | 33,72 Mt |
| 1979 | 8,3332 Mt | 1998 | 17,95 Mt | 2017 | 32,55 Mt |
| 1980 | 9,125 Mt | 1999 | 18,45 Mt | 2018 | 32,62 Mt |
| 1981 | 9,5664 Mt | 2000 | 19,17 Mt | 2019 | 33,22 Mt |
| 1982 | 10,73 Mt | 2001 | 21,73 Mt | 2020 | 29,8 Mt |
| 1983 | 11,12 Mt | 2002 | 23,5 Mt | 2021 | 28,68 Mt |
| 1984 | 11,64 Mt | 2003 | 27,14 Mt | 2022 | 28,5 Mt |
| 1985 | 11,87 Mt | 2004 | 28,9 Mt | 2023 | 26,95 Mt |
| 1986 | 11,68 Mt | 2005 | 35,02 Mt | 2024 | 26,79 Mt |
| 1987 | 12 Mt | 2006 | 38,55 Mt | | |
| 1988 | 12,78 Mt | 2007 | 39,42 Mt | | |
Mostrar tabla de datos
| 1970 | 6,99 t | 1989 | 10,29 t | 2008 | 29,54 t |
| 1971 | 6,85 t | 1990 | 10,12 t | 2009 | 28,57 t |
| 1972 | 6,34 t | 1991 | 10,25 t | 2010 | 31,13 t |
| 1973 | 6,49 t | 1992 | 10,44 t | 2011 | 31,07 t |
| 1974 | 6,51 t | 1993 | 10,11 t | 2012 | 28,52 t |
| 1975 | 5,76 t | 1994 | 11,11 t | 2013 | 27,85 t |
| 1976 | 6,65 t | 1995 | 10,67 t | 2014 | 27,65 t |
| 1977 | 7,3 t | 1996 | 11,43 t | 2015 | 27,24 t |
| 1978 | 7,48 t | 1997 | 11,37 t | 2016 | 24,9 t |
| 1979 | 7,52 t | 1998 | 13,7 t | 2017 | 23,99 t |
| 1980 | 8,13 t | 1999 | 14,03 t | 2018 | 24 t |
| 1981 | 8,43 t | 2000 | 14,52 t | 2019 | 24,36 t |
| 1982 | 9,35 t | 2001 | 16,39 t | 2020 | 21,81 t |
| 1983 | 9,59 t | 2002 | 17,64 t | 2021 | 20,97 t |
| 1984 | 9,93 t | 2003 | 20,28 t | 2022 | 20,87 t |
| 1985 | 10 t | 2004 | 21,48 t | 2023 | 19,71 t |
| 1986 | 9,71 t | 2005 | 27,05 t | 2024 | 19,58 t |
| 1987 | 9,86 t | 2006 | 29,7 t | | |
| 1988 | 10,39 t | 2007 | 30,25 t | | |