Mostrar tabla de datos
| 1970 | 1084 Mt | 1989 | 1050 Mt | 2008 | 829,91 Mt |
| 1971 | 1077 Mt | 1990 | 1013 Mt | 2009 | 768,13 Mt |
| 1972 | 1105 Mt | 1991 | 991,72 Mt | 2010 | 814,96 Mt |
| 1973 | 1157 Mt | 1992 | 937,79 Mt | 2011 | 788,12 Mt |
| 1974 | 1122 Mt | 1993 | 929,33 Mt | 2012 | 800,03 Mt |
| 1975 | 1060 Mt | 1994 | 915,25 Mt | 2013 | 817,82 Mt |
| 1976 | 1123 Mt | 1995 | 910,47 Mt | 2014 | 778,75 Mt |
| 1977 | 1101 Mt | 1996 | 939,35 Mt | 2015 | 784,91 Mt |
| 1978 | 1139 Mt | 1997 | 907,48 Mt | 2016 | 789,25 Mt |
| 1979 | 1189 Mt | 1998 | 906,61 Mt | 2017 | 774,48 Mt |
| 1980 | 1135 Mt | 1999 | 870,66 Mt | 2018 | 746,7 Mt |
| 1981 | 1100 Mt | 2000 | 871,38 Mt | 2019 | 696,5 Mt |
| 1982 | 1054 Mt | 2001 | 885,47 Mt | 2020 | 642,09 Mt |
| 1983 | 1069 Mt | 2002 | 869,94 Mt | 2021 | 670,67 Mt |
| 1984 | 1085 Mt | 2003 | 877,91 Mt | 2022 | 658,09 Mt |
| 1985 | 1086 Mt | 2004 | 863,39 Mt | 2023 | 589,66 Mt |
| 1986 | 1080 Mt | 2005 | 841,75 Mt | 2024 | 579,94 Mt |
| 1987 | 1072 Mt | 2006 | 855,45 Mt | | |
| 1988 | 1066 Mt | 2007 | 826,6 Mt | | |
Mostrar tabla de datos
| 1970 | 13,87 t | 1989 | 13,34 t | 2008 | 10,11 t |
| 1971 | 13,75 t | 1990 | 12,75 t | 2009 | 9,38 t |
| 1972 | 14,04 t | 1991 | 12,39 t | 2010 | 9,97 t |
| 1973 | 14,66 t | 1992 | 11,63 t | 2011 | 9,82 t |
| 1974 | 14,21 t | 1993 | 11,45 t | 2012 | 9,95 t |
| 1975 | 13,48 t | 1994 | 11,24 t | 2013 | 10,14 t |
| 1976 | 14,33 t | 1995 | 11,15 t | 2014 | 9,62 t |
| 1977 | 14,09 t | 1996 | 11,47 t | 2015 | 9,61 t |
| 1978 | 14,58 t | 1997 | 11,06 t | 2016 | 9,58 t |
| 1979 | 15,22 t | 1998 | 11,05 t | 2017 | 9,37 t |
| 1980 | 14,5 t | 1999 | 10,6 t | 2018 | 9,01 t |
| 1981 | 14,02 t | 2000 | 10,6 t | 2019 | 8,38 t |
| 1982 | 13,45 t | 2001 | 10,75 t | 2020 | 7,72 t |
| 1983 | 13,69 t | 2002 | 10,55 t | 2021 | 8,06 t |
| 1984 | 13,94 t | 2003 | 10,64 t | 2022 | 7,91 t |
| 1985 | 13,98 t | 2004 | 10,46 t | 2023 | 7,08 t |
| 1986 | 13,89 t | 2005 | 10,21 t | 2024 | 6,94 t |
| 1987 | 13,77 t | 2006 | 10,38 t | | |
| 1988 | 13,64 t | 2007 | 10,05 t | | |