Mostrar tabla de datos
| 1970 | 40,04 Mt | 1989 | 28,79 Mt | 2008 | 57,14 Mt |
| 1971 | 28,12 Mt | 1990 | 32,62 Mt | 2009 | 60,27 Mt |
| 1972 | 21,18 Mt | 1991 | 32,86 Mt | 2010 | 63,67 Mt |
| 1973 | 19,85 Mt | 1992 | 34,27 Mt | 2011 | 44,24 Mt |
| 1974 | 13,47 Mt | 1993 | 36,49 Mt | 2012 | 62,86 Mt |
| 1975 | 16,71 Mt | 1994 | 42,48 Mt | 2013 | 62,61 Mt |
| 1976 | 21,39 Mt | 1995 | 48,14 Mt | 2014 | 61,8 Mt |
| 1977 | 23,08 Mt | 1996 | 50,62 Mt | 2015 | 54,48 Mt |
| 1978 | 24,76 Mt | 1997 | 46,88 Mt | 2016 | 51,15 Mt |
| 1979 | 27,6 Mt | 1998 | 46,42 Mt | 2017 | 55,39 Mt |
| 1980 | 28,54 Mt | 1999 | 47,75 Mt | 2018 | 57,27 Mt |
| 1981 | 25,55 Mt | 2000 | 49,28 Mt | 2019 | 57,47 Mt |
| 1982 | 28,61 Mt | 2001 | 48,75 Mt | 2020 | 45,7 Mt |
| 1983 | 27,02 Mt | 2002 | 49,9 Mt | 2021 | 58,36 Mt |
| 1984 | 27,5 Mt | 2003 | 53,79 Mt | 2022 | 58,17 Mt |
| 1985 | 25,2 Mt | 2004 | 53,23 Mt | 2023 | 63,2 Mt |
| 1986 | 28,62 Mt | 2005 | 57,73 Mt | 2024 | 63,95 Mt |
| 1987 | 28,05 Mt | 2006 | 57,48 Mt | | |
| 1988 | 29,5 Mt | 2007 | 53,75 Mt | | |
Mostrar tabla de datos
| 1970 | 19,22 t | 1989 | 6,63 t | 2008 | 9,16 t |
| 1971 | 13,06 t | 1990 | 7,34 t | 2009 | 9,47 t |
| 1972 | 9,52 t | 1991 | 7,23 t | 2010 | 9,8 t |
| 1973 | 8,58 t | 1992 | 7,38 t | 2011 | 6,97 t |
| 1974 | 5,54 t | 1993 | 7,71 t | 2012 | 10,17 t |
| 1975 | 6,5 t | 1994 | 8,81 t | 2013 | 9,93 t |
| 1976 | 7,86 t | 1995 | 9,81 t | 2014 | 9,62 t |
| 1977 | 8,01 t | 1996 | 10,15 t | 2015 | 8,34 t |
| 1978 | 8,11 t | 1997 | 9,26 t | 2016 | 7,71 t |
| 1979 | 8,54 t | 1998 | 9,03 t | 2017 | 8,22 t |
| 1980 | 8,33 t | 1999 | 9,15 t | 2018 | 8,36 t |
| 1981 | 7,06 t | 2000 | 9,29 t | 2019 | 8,27 t |
| 1982 | 7,68 t | 2001 | 9,02 t | 2020 | 6,49 t |
| 1983 | 7,27 t | 2002 | 9,06 t | 2021 | 8,18 t |
| 1984 | 7,29 t | 2003 | 9,57 t | 2022 | 8,05 t |
| 1985 | 6,46 t | 2004 | 9,28 t | 2023 | 8,65 t |
| 1986 | 7,13 t | 2005 | 9,85 t | 2024 | 8,66 t |
| 1987 | 6,79 t | 2006 | 9,61 t | | |
| 1988 | 6,96 t | 2007 | 8,8 t | | |