Mostrar tabla de datos
| 1970 | 134,14 Mt | 1989 | 159,55 Mt | 2008 | 179,94 Mt |
| 1971 | 134,66 Mt | 1990 | 164,82 Mt | 2009 | 174,75 Mt |
| 1972 | 150,43 Mt | 1991 | 170,94 Mt | 2010 | 186,12 Mt |
| 1973 | 156,74 Mt | 1992 | 169,04 Mt | 2011 | 174,07 Mt |
| 1974 | 148,69 Mt | 1993 | 172,3 Mt | 2012 | 171,6 Mt |
| 1975 | 140,01 Mt | 1994 | 173,36 Mt | 2013 | 169,36 Mt |
| 1976 | 150,79 Mt | 1995 | 177,62 Mt | 2014 | 161,76 Mt |
| 1977 | 148,49 Mt | 1996 | 187,85 Mt | 2015 | 169,35 Mt |
| 1978 | 153,29 Mt | 1997 | 180,11 Mt | 2016 | 170,79 Mt |
| 1979 | 162,73 Mt | 1998 | 180,86 Mt | 2017 | 168,18 Mt |
| 1980 | 155,11 Mt | 1999 | 176,15 Mt | 2018 | 163,1 Mt |
| 1981 | 154,2 Mt | 2000 | 176,85 Mt | 2019 | 157,97 Mt |
| 1982 | 143,9 Mt | 2001 | 181,46 Mt | 2020 | 142,16 Mt |
| 1983 | 139,32 Mt | 2002 | 181,83 Mt | 2021 | 145,89 Mt |
| 1984 | 145,46 Mt | 2003 | 184,29 Mt | 2022 | 133,11 Mt |
| 1985 | 149,73 Mt | 2004 | 186,75 Mt | 2023 | 122,92 Mt |
| 1986 | 152,06 Mt | 2005 | 182,18 Mt | 2024 | 118,79 Mt |
| 1987 | 156,33 Mt | 2006 | 177,68 Mt | | |
| 1988 | 156,32 Mt | 2007 | 178,86 Mt | | |
Mostrar tabla de datos
| 1970 | 10,29 t | 1989 | 10,75 t | 2008 | 10,94 t |
| 1971 | 10,21 t | 1990 | 11,02 t | 2009 | 10,57 t |
| 1972 | 11,29 t | 1991 | 11,34 t | 2010 | 11,2 t |
| 1973 | 11,66 t | 1992 | 11,13 t | 2011 | 10,43 t |
| 1974 | 10,98 t | 1993 | 11,27 t | 2012 | 10,24 t |
| 1975 | 10,24 t | 1994 | 11,27 t | 2013 | 10,08 t |
| 1976 | 10,95 t | 1995 | 11,49 t | 2014 | 9,59 t |
| 1977 | 10,72 t | 1996 | 12,1 t | 2015 | 10 t |
| 1978 | 11 t | 1997 | 11,54 t | 2016 | 10,03 t |
| 1979 | 11,59 t | 1998 | 11,51 t | 2017 | 9,82 t |
| 1980 | 10,96 t | 1999 | 11,14 t | 2018 | 9,46 t |
| 1981 | 10,82 t | 2000 | 11,11 t | 2019 | 9,11 t |
| 1982 | 10,05 t | 2001 | 11,31 t | 2020 | 8,15 t |
| 1983 | 9,7 t | 2002 | 11,26 t | 2021 | 8,32 t |
| 1984 | 10,08 t | 2003 | 11,36 t | 2022 | 7,52 t |
| 1985 | 10,33 t | 2004 | 11,47 t | 2023 | 6,88 t |
| 1986 | 10,44 t | 2005 | 11,16 t | 2024 | 6,6 t |
| 1987 | 10,66 t | 2006 | 10,87 t | | |
| 1988 | 10,59 t | 2007 | 10,92 t | | |