Mostrar tabla de datos
| 1970 | 142,84 Mt | 1989 | 224,91 Mt | 2008 | 340,12 Mt |
| 1971 | 139,4 Mt | 1990 | 229,47 Mt | 2009 | 300,4 Mt |
| 1972 | 151,7 Mt | 1991 | 237,45 Mt | 2010 | 287,75 Mt |
| 1973 | 164,53 Mt | 1992 | 245,48 Mt | 2011 | 289,52 Mt |
| 1974 | 176,9 Mt | 1993 | 231,11 Mt | 2012 | 284,97 Mt |
| 1975 | 182,7 Mt | 1994 | 242,17 Mt | 2013 | 256,36 Mt |
| 1976 | 200,85 Mt | 1995 | 255,05 Mt | 2014 | 255,24 Mt |
| 1977 | 192,73 Mt | 1996 | 244,8 Mt | 2015 | 271,54 Mt |
| 1978 | 191,5 Mt | 1997 | 263,99 Mt | 2016 | 263,05 Mt |
| 1979 | 203,18 Mt | 1998 | 272,61 Mt | 2017 | 278,38 Mt |
| 1980 | 212,89 Mt | 1999 | 294,72 Mt | 2018 | 271,79 Mt |
| 1981 | 218,52 Mt | 2000 | 310,33 Mt | 2019 | 254,35 Mt |
| 1982 | 212,03 Mt | 2001 | 310,54 Mt | 2020 | 214,45 Mt |
| 1983 | 215,14 Mt | 2002 | 328,59 Mt | 2021 | 233,19 Mt |
| 1984 | 204,23 Mt | 2003 | 335,97 Mt | 2022 | 238,65 Mt |
| 1985 | 197,46 Mt | 2004 | 352,5 Mt | 2023 | 220,99 Mt |
| 1986 | 201,3 Mt | 2005 | 367,83 Mt | 2024 | 220,08 Mt |
| 1987 | 202,47 Mt | 2006 | 358,33 Mt | | |
| 1988 | 206,62 Mt | 2007 | 371,51 Mt | | |
Mostrar tabla de datos
| 1970 | 4,22 t | 1989 | 5,79 t | 2008 | 7,4 t |
| 1971 | 4,07 t | 1990 | 5,9 t | 2009 | 6,48 t |
| 1972 | 4,38 t | 1991 | 6,09 t | 2010 | 6,18 t |
| 1973 | 4,7 t | 1992 | 6,27 t | 2011 | 6,19 t |
| 1974 | 5 t | 1993 | 5,87 t | 2012 | 6,09 t |
| 1975 | 5,11 t | 1994 | 6,12 t | 2013 | 5,5 t |
| 1976 | 5,56 t | 1995 | 6,42 t | 2014 | 5,49 t |
| 1977 | 5,28 t | 1996 | 6,14 t | 2015 | 5,85 t |
| 1978 | 5,19 t | 1997 | 6,59 t | 2016 | 5,66 t |
| 1979 | 5,46 t | 1998 | 6,78 t | 2017 | 5,98 t |
| 1980 | 5,68 t | 1999 | 7,3 t | 2018 | 5,81 t |
| 1981 | 5,79 t | 2000 | 7,65 t | 2019 | 5,4 t |
| 1982 | 5,58 t | 2001 | 7,6 t | 2020 | 4,53 t |
| 1983 | 5,64 t | 2002 | 7,93 t | 2021 | 4,92 t |
| 1984 | 5,33 t | 2003 | 7,96 t | 2022 | 4,99 t |
| 1985 | 5,13 t | 2004 | 8,21 t | 2023 | 4,57 t |
| 1986 | 5,22 t | 2005 | 8,43 t | 2024 | 4,51 t |
| 1987 | 5,23 t | 2006 | 8,07 t | | |
| 1988 | 5,33 t | 2007 | 8,21 t | | |