Mostrar tabla de datos
| 1970 | 52,01 Mt | 1989 | 160,55 Mt | 2008 | 420,49 Mt |
| 1971 | 63,14 Mt | 1990 | 173,9 Mt | 2009 | 444,02 Mt |
| 1972 | 80,94 Mt | 1991 | 177,63 Mt | 2010 | 486,88 Mt |
| 1973 | 108,32 Mt | 1992 | 190,97 Mt | 2011 | 509,22 Mt |
| 1974 | 113,61 Mt | 1993 | 201,09 Mt | 2012 | 539,34 Mt |
| 1975 | 94,05 Mt | 1994 | 218,76 Mt | 2013 | 547,2 Mt |
| 1976 | 115,77 Mt | 1995 | 217,16 Mt | 2014 | 585,93 Mt |
| 1977 | 124,53 Mt | 1996 | 230,52 Mt | 2015 | 611,45 Mt |
| 1978 | 132,48 Mt | 1997 | 233,22 Mt | 2016 | 609,51 Mt |
| 1979 | 156,78 Mt | 1998 | 249,5 Mt | 2017 | 603,33 Mt |
| 1980 | 192,73 Mt | 1999 | 254,32 Mt | 2018 | 580,04 Mt |
| 1981 | 179,19 Mt | 2000 | 265,24 Mt | 2019 | 579,81 Mt |
| 1982 | 183,1 Mt | 2001 | 275,79 Mt | 2020 | 577,1 Mt |
| 1983 | 182,07 Mt | 2002 | 293,72 Mt | 2021 | 590,32 Mt |
| 1984 | 136,74 Mt | 2003 | 308,33 Mt | 2022 | 620,43 Mt |
| 1985 | 135,67 Mt | 2004 | 327,02 Mt | 2023 | 635,43 Mt |
| 1986 | 135,85 Mt | 2005 | 346,38 Mt | 2024 | 652,51 Mt |
| 1987 | 147,24 Mt | 2006 | 366,74 Mt | | |
| 1988 | 159,36 Mt | 2007 | 387,88 Mt | | |
Mostrar tabla de datos
| 1970 | 14,6 t | 1989 | 15,85 t | 2008 | 18,06 t |
| 1971 | 16,95 t | 1990 | 16,34 t | 2009 | 18,33 t |
| 1972 | 20,72 t | 1991 | 15,92 t | 2010 | 20,3 t |
| 1973 | 26,38 t | 1992 | 16,34 t | 2011 | 20,29 t |
| 1974 | 26,28 t | 1993 | 16,46 t | 2012 | 20,61 t |
| 1975 | 20,64 t | 1994 | 17,16 t | 2013 | 19,81 t |
| 1976 | 24,08 t | 1995 | 16,34 t | 2014 | 20,7 t |
| 1977 | 24,5 t | 1996 | 16,67 t | 2015 | 20,51 t |
| 1978 | 24,62 t | 1997 | 16,22 t | 2016 | 19,69 t |
| 1979 | 27,49 t | 1998 | 16,72 t | 2017 | 19,48 t |
| 1980 | 31,87 t | 1999 | 16,44 t | 2018 | 19,21 t |
| 1981 | 27,91 t | 2000 | 16,4 t | 2019 | 19,29 t |
| 1982 | 26,83 t | 2001 | 16,18 t | 2020 | 18,29 t |
| 1983 | 25,1 t | 2002 | 16,4 t | 2021 | 19,18 t |
| 1984 | 17,76 t | 2003 | 16,41 t | 2022 | 19,28 t |
| 1985 | 16,64 t | 2004 | 16,63 t | 2023 | 18,85 t |
| 1986 | 15,74 t | 2005 | 16,85 t | 2024 | 18,48 t |
| 1987 | 16,13 t | 2006 | 17,09 t | | |
| 1988 | 16,55 t | 2007 | 17,34 t | | |