Mostrar tabla de datos
| 1970 | 17,49 Mt | 1989 | 42,39 Mt | 2008 | 59,26 Mt |
| 1971 | 18,64 Mt | 1990 | 43,86 Mt | 2009 | 58,49 Mt |
| 1972 | 19,03 Mt | 1991 | 45,3 Mt | 2010 | 53,25 Mt |
| 1973 | 21,19 Mt | 1992 | 49 Mt | 2011 | 51,4 Mt |
| 1974 | 21,25 Mt | 1993 | 47,96 Mt | 2012 | 49,78 Mt |
| 1975 | 22,82 Mt | 1994 | 49,4 Mt | 2013 | 48,14 Mt |
| 1976 | 24,13 Mt | 1995 | 52,81 Mt | 2014 | 47,67 Mt |
| 1977 | 23,91 Mt | 1996 | 51,11 Mt | 2015 | 51,72 Mt |
| 1978 | 24,78 Mt | 1997 | 53,59 Mt | 2016 | 50,52 Mt |
| 1979 | 27,55 Mt | 1998 | 58,02 Mt | 2017 | 55,14 Mt |
| 1980 | 28,23 Mt | 1999 | 64,74 Mt | 2018 | 51,11 Mt |
| 1981 | 29,91 Mt | 2000 | 64,24 Mt | 2019 | 46,43 Mt |
| 1982 | 31,8 Mt | 2001 | 63,5 Mt | 2020 | 40,64 Mt |
| 1983 | 30,84 Mt | 2002 | 67,74 Mt | 2021 | 38,96 Mt |
| 1984 | 30,12 Mt | 2003 | 62,8 Mt | 2022 | 39,67 Mt |
| 1985 | 28,67 Mt | 2004 | 64,57 Mt | 2023 | 37,41 Mt |
| 1986 | 32,78 Mt | 2005 | 67,83 Mt | 2024 | 35,56 Mt |
| 1987 | 32,87 Mt | 2006 | 62,94 Mt | | |
| 1988 | 33,92 Mt | 2007 | 61,34 Mt | | |
Mostrar tabla de datos
| 1970 | 2,01 t | 1989 | 4,24 t | 2008 | 5,61 t |
| 1971 | 2,16 t | 1990 | 4,39 t | 2009 | 5,53 t |
| 1972 | 2,21 t | 1991 | 4,55 t | 2010 | 5,04 t |
| 1973 | 2,45 t | 1992 | 4,92 t | 2011 | 4,87 t |
| 1974 | 2,43 t | 1993 | 4,81 t | 2012 | 4,73 t |
| 1975 | 2,51 t | 1994 | 4,94 t | 2013 | 4,6 t |
| 1976 | 2,58 t | 1995 | 5,27 t | 2014 | 4,58 t |
| 1977 | 2,53 t | 1996 | 5,08 t | 2015 | 4,99 t |
| 1978 | 2,59 t | 1997 | 5,3 t | 2016 | 4,89 t |
| 1979 | 2,85 t | 1998 | 5,71 t | 2017 | 5,35 t |
| 1980 | 2,89 t | 1999 | 6,34 t | 2018 | 4,97 t |
| 1981 | 3,04 t | 2000 | 6,24 t | 2019 | 4,51 t |
| 1982 | 3,21 t | 2001 | 6,13 t | 2020 | 3,95 t |
| 1983 | 3,1 t | 2002 | 6,5 t | 2021 | 3,76 t |
| 1984 | 3,01 t | 2003 | 6 t | 2022 | 3,8 t |
| 1985 | 2,86 t | 2004 | 6,16 t | 2023 | 3,54 t |
| 1986 | 3,27 t | 2005 | 6,46 t | 2024 | 3,32 t |
| 1987 | 3,28 t | 2006 | 5,98 t | | |
| 1988 | 3,39 t | 2007 | 5,82 t | | |