Mostrar tabla de datos
| 1970 | 11,34 Mt | 1989 | 18,98 Mt | 2008 | 8,4787 Mt |
| 1971 | 11,35 Mt | 1990 | 19,62 Mt | 2009 | 7,7519 Mt |
| 1972 | 12,08 Mt | 1991 | 17,99 Mt | 2010 | 8,8799 Mt |
| 1973 | 13,03 Mt | 1992 | 14,31 Mt | 2011 | 8,2334 Mt |
| 1974 | 13,94 Mt | 1993 | 12,05 Mt | 2012 | 8,0274 Mt |
| 1975 | 14,92 Mt | 1994 | 10,49 Mt | 2013 | 7,7794 Mt |
| 1976 | 15,54 Mt | 1995 | 9,2355 Mt | 2014 | 7,5739 Mt |
| 1977 | 16,03 Mt | 1996 | 9,2507 Mt | 2015 | 7,648 Mt |
| 1978 | 16,67 Mt | 1997 | 8,8147 Mt | 2016 | 7,4806 Mt |
| 1979 | 17,18 Mt | 1998 | 8,4177 Mt | 2017 | 7,4321 Mt |
| 1980 | 17,85 Mt | 1999 | 7,8664 Mt | 2018 | 8,1079 Mt |
| 1981 | 18,05 Mt | 2000 | 7,2309 Mt | 2019 | 7,9078 Mt |
| 1982 | 18,43 Mt | 2001 | 7,6692 Mt | 2020 | 7,2771 Mt |
| 1983 | 18,65 Mt | 2002 | 7,665 Mt | 2021 | 7,5304 Mt |
| 1984 | 18,72 Mt | 2003 | 7,9151 Mt | 2022 | 6,9268 Mt |
| 1985 | 18,76 Mt | 2004 | 7,9578 Mt | 2023 | 6,9004 Mt |
| 1986 | 19,12 Mt | 2005 | 8,03 Mt | 2024 | 6,8072 Mt |
| 1987 | 19,37 Mt | 2006 | 8,54 Mt | | |
| 1988 | 19,33 Mt | 2007 | 8,9143 Mt | | |
Mostrar tabla de datos
| 1970 | 4,81 t | 1989 | 7,12 t | 2008 | 3,89 t |
| 1971 | 4,78 t | 1990 | 7,37 t | 2009 | 3,62 t |
| 1972 | 5,04 t | 1991 | 6,79 t | 2010 | 4,23 t |
| 1973 | 5,39 t | 1992 | 5,47 t | 2011 | 4 t |
| 1974 | 5,72 t | 1993 | 4,7 t | 2012 | 3,95 t |
| 1975 | 6,07 t | 1994 | 4,16 t | 2013 | 3,87 t |
| 1976 | 6,29 t | 1995 | 3,72 t | 2014 | 3,8 t |
| 1977 | 6,45 t | 1996 | 3,76 t | 2015 | 3,87 t |
| 1978 | 6,67 t | 1997 | 3,62 t | 2016 | 3,82 t |
| 1979 | 6,86 t | 1998 | 3,49 t | 2017 | 3,83 t |
| 1980 | 7,11 t | 1999 | 3,29 t | 2018 | 4,21 t |
| 1981 | 7,17 t | 2000 | 3,05 t | 2019 | 4,13 t |
| 1982 | 7,28 t | 2001 | 3,28 t | 2020 | 3,83 t |
| 1983 | 7,33 t | 2002 | 3,32 t | 2021 | 4 t |
| 1984 | 7,31 t | 2003 | 3,46 t | 2022 | 3,69 t |
| 1985 | 7,28 t | 2004 | 3,52 t | 2023 | 3,66 t |
| 1986 | 7,35 t | 2005 | 3,59 t | 2024 | 3,65 t |
| 1987 | 7,37 t | 2006 | 3,85 t | | |
| 1988 | 7,28 t | 2007 | 4,05 t | | |