Mostrar tabla de datos
| 1970 | 19,46 Mt | 1989 | 56,94 Mt | 2008 | 164,25 Mt |
| 1971 | 25,43 Mt | 1990 | 56,89 Mt | 2009 | 165,34 Mt |
| 1972 | 27,75 Mt | 1991 | 64,72 Mt | 2010 | 171,95 Mt |
| 1973 | 35,84 Mt | 1992 | 62,52 Mt | 2011 | 177,26 Mt |
| 1974 | 36,01 Mt | 1993 | 65,91 Mt | 2012 | 185,01 Mt |
| 1975 | 36,68 Mt | 1994 | 72,57 Mt | 2013 | 195,05 Mt |
| 1976 | 45,58 Mt | 1995 | 77,4 Mt | 2014 | 198,11 Mt |
| 1977 | 45,88 Mt | 1996 | 80,89 Mt | 2015 | 206,85 Mt |
| 1978 | 52,61 Mt | 1997 | 84,3 Mt | 2016 | 212,43 Mt |
| 1979 | 37,88 Mt | 1998 | 86,48 Mt | 2017 | 204,42 Mt |
| 1980 | 41,14 Mt | 1999 | 89,15 Mt | 2018 | 187,29 Mt |
| 1981 | 38,06 Mt | 2000 | 88,46 Mt | 2019 | 197,85 Mt |
| 1982 | 38,07 Mt | 2001 | 101,26 Mt | 2020 | 195,67 Mt |
| 1983 | 36,79 Mt | 2002 | 103,52 Mt | 2021 | 199,42 Mt |
| 1984 | 49,98 Mt | 2003 | 108,82 Mt | 2022 | 195,18 Mt |
| 1985 | 51,81 Mt | 2004 | 115,02 Mt | 2023 | 192,7 Mt |
| 1986 | 50,23 Mt | 2005 | 122,46 Mt | 2024 | 200,56 Mt |
| 1987 | 52,07 Mt | 2006 | 127,2 Mt | | |
| 1988 | 50,99 Mt | 2007 | 137,14 Mt | | |
Mostrar tabla de datos
| 1970 | 67,93 t | 1989 | 31,81 t | 2008 | 26,06 t |
| 1971 | 75,9 t | 1990 | 29,97 t | 2009 | 24,65 t |
| 1972 | 72,07 t | 1991 | 32,25 t | 2010 | 25,03 t |
| 1973 | 82,13 t | 1992 | 29,57 t | 2011 | 24,95 t |
| 1974 | 73,63 t | 1993 | 29,66 t | 2012 | 25,03 t |
| 1975 | 67,57 t | 1994 | 31,17 t | 2013 | 25,35 t |
| 1976 | 74,01 t | 1995 | 31,79 t | 2014 | 24,58 t |
| 1977 | 64,6 t | 1996 | 31,14 t | 2015 | 24,32 t |
| 1978 | 65,01 t | 1997 | 29,92 t | 2016 | 23,77 t |
| 1979 | 41,53 t | 1998 | 28,44 t | 2017 | 22,16 t |
| 1980 | 40,5 t | 1999 | 27,3 t | 2018 | 20,04 t |
| 1981 | 34,6 t | 2000 | 25,32 t | 2019 | 20,95 t |
| 1982 | 32,64 t | 2001 | 27,19 t | 2020 | 20,81 t |
| 1983 | 29,78 t | 2002 | 26,16 t | 2021 | 20,83 t |
| 1984 | 38,27 t | 2003 | 25,96 t | 2022 | 19,37 t |
| 1985 | 37,6 t | 2004 | 25,97 t | 2023 | 18,38 t |
| 1986 | 34,23 t | 2005 | 26,25 t | 2024 | 18,26 t |
| 1987 | 33,07 t | 2006 | 25,39 t | | |
| 1988 | 30,32 t | 2007 | 24,38 t | | |