Mostrar tabla de datos
| 1970 | 184,9 Mt | 1989 | 240,85 Mt | 2008 | 248,43 Mt |
| 1971 | 184,64 Mt | 1990 | 248,63 Mt | 2009 | 224,48 Mt |
| 1972 | 196,57 Mt | 1991 | 259,93 Mt | 2010 | 242,2 Mt |
| 1973 | 210,03 Mt | 1992 | 265,32 Mt | 2011 | 262,63 Mt |
| 1974 | 218,17 Mt | 1993 | 226,13 Mt | 2012 | 258,81 Mt |
| 1975 | 227,77 Mt | 1994 | 203,89 Mt | 2013 | 276,11 Mt |
| 1976 | 233,84 Mt | 1995 | 180,33 Mt | 2014 | 233,01 Mt |
| 1977 | 237,39 Mt | 1996 | 158,03 Mt | 2015 | 202,75 Mt |
| 1978 | 250,02 Mt | 1997 | 137,31 Mt | 2016 | 216,12 Mt |
| 1979 | 254,69 Mt | 1998 | 141,59 Mt | 2017 | 226,45 Mt |
| 1980 | 263,54 Mt | 1999 | 129,66 Mt | 2018 | 229,38 Mt |
| 1981 | 249,53 Mt | 2000 | 132,22 Mt | 2019 | 218,81 Mt |
| 1982 | 239,24 Mt | 2001 | 130,48 Mt | 2020 | 225,5 Mt |
| 1983 | 234,73 Mt | 2002 | 145,53 Mt | 2021 | 241,91 Mt |
| 1984 | 227,23 Mt | 2003 | 162,15 Mt | 2022 | 246,53 Mt |
| 1985 | 220,41 Mt | 2004 | 174,56 Mt | 2023 | 255,43 Mt |
| 1986 | 221,05 Mt | 2005 | 187,6 Mt | 2024 | 258,8 Mt |
| 1987 | 235,73 Mt | 2006 | 210,19 Mt | | |
| 1988 | 243,8 Mt | 2007 | 219,61 Mt | | |
Mostrar tabla de datos
| 1970 | 14,89 t | 1989 | 14,17 t | 2008 | 15,12 t |
| 1971 | 14,56 t | 1990 | 14,49 t | 2009 | 13,51 t |
| 1972 | 15,18 t | 1991 | 15,04 t | 2010 | 14,39 t |
| 1973 | 15,9 t | 1992 | 15,31 t | 2011 | 15,39 t |
| 1974 | 16,22 t | 1993 | 13,09 t | 2012 | 14,95 t |
| 1975 | 16,62 t | 1994 | 11,96 t | 2013 | 15,73 t |
| 1976 | 16,7 t | 1995 | 10,78 t | 2014 | 13,08 t |
| 1977 | 16,54 t | 1996 | 9,63 t | 2015 | 11,21 t |
| 1978 | 17 t | 1997 | 8,56 t | 2016 | 11,77 t |
| 1979 | 17 t | 1998 | 9,05 t | 2017 | 12,14 t |
| 1980 | 17,39 t | 1999 | 8,39 t | 2018 | 12,12 t |
| 1981 | 16,28 t | 2000 | 8,53 t | 2019 | 11,39 t |
| 1982 | 15,44 t | 2001 | 8,38 t | 2020 | 11,57 t |
| 1983 | 14,98 t | 2002 | 9,3 t | 2021 | 12,25 t |
| 1984 | 14,34 t | 2003 | 10,3 t | 2022 | 12,31 t |
| 1985 | 13,75 t | 2004 | 11,01 t | 2023 | 12,56 t |
| 1986 | 13,59 t | 2005 | 11,75 t | 2024 | 12,57 t |
| 1987 | 14,26 t | 2006 | 13,05 t | | |
| 1988 | 14,53 t | 2007 | 13,51 t | | |