Mostrar tabla de datos
| 1970 | 120,9 Mt | 1989 | 293,3 Mt | 2008 | 472,3 Mt |
| 1971 | 121,3 Mt | 1990 | 289,66 Mt | 2009 | 461,58 Mt |
| 1972 | 133,38 Mt | 1991 | 307,49 Mt | 2010 | 476,94 Mt |
| 1973 | 143,51 Mt | 1992 | 311,2 Mt | 2011 | 486,54 Mt |
| 1974 | 158,32 Mt | 1993 | 320,35 Mt | 2012 | 506,23 Mt |
| 1975 | 166,62 Mt | 1994 | 346,17 Mt | 2013 | 494,02 Mt |
| 1976 | 177,78 Mt | 1995 | 326,26 Mt | 2014 | 480,91 Mt |
| 1977 | 183,83 Mt | 1996 | 341,91 Mt | 2015 | 490,43 Mt |
| 1978 | 206,06 Mt | 1997 | 360,73 Mt | 2016 | 496,47 Mt |
| 1979 | 217,97 Mt | 1998 | 384,01 Mt | 2017 | 500,69 Mt |
| 1980 | 241,04 Mt | 1999 | 373,1 Mt | 2018 | 478,15 Mt |
| 1981 | 259,22 Mt | 2000 | 396,74 Mt | 2019 | 493,67 Mt |
| 1982 | 277,73 Mt | 2001 | 394,79 Mt | 2020 | 439,04 Mt |
| 1983 | 261,41 Mt | 2002 | 400,95 Mt | 2021 | 452,72 Mt |
| 1984 | 265,13 Mt | 2003 | 420,71 Mt | 2022 | 452,95 Mt |
| 1985 | 274,36 Mt | 2004 | 430,46 Mt | 2023 | 475,6 Mt |
| 1986 | 269,98 Mt | 2005 | 447,33 Mt | 2024 | 475,99 Mt |
| 1987 | 281,37 Mt | 2006 | 463,95 Mt | | |
| 1988 | 280,01 Mt | 2007 | 470,88 Mt | | |
Mostrar tabla de datos
| 1970 | 2,38 t | 1989 | 3,61 t | 2008 | 4,28 t |
| 1971 | 2,31 t | 1990 | 3,5 t | 2009 | 4,12 t |
| 1972 | 2,47 t | 1991 | 3,64 t | 2010 | 4,2 t |
| 1973 | 2,58 t | 1992 | 3,62 t | 2011 | 4,22 t |
| 1974 | 2,76 t | 1993 | 3,65 t | 2012 | 4,33 t |
| 1975 | 2,82 t | 1994 | 3,88 t | 2013 | 4,17 t |
| 1976 | 2,93 t | 1995 | 3,59 t | 2014 | 4,01 t |
| 1977 | 2,95 t | 1996 | 3,7 t | 2015 | 4,05 t |
| 1978 | 3,22 t | 1997 | 3,84 t | 2016 | 4,06 t |
| 1979 | 3,32 t | 1998 | 4,02 t | 2017 | 4,06 t |
| 1980 | 3,58 t | 1999 | 3,84 t | 2018 | 3,84 t |
| 1981 | 3,76 t | 2000 | 4,02 t | 2019 | 3,93 t |
| 1982 | 3,94 t | 2001 | 3,94 t | 2020 | 3,46 t |
| 1983 | 3,63 t | 2002 | 3,95 t | 2021 | 3,55 t |
| 1984 | 3,61 t | 2003 | 4,09 t | 2022 | 3,52 t |
| 1985 | 3,66 t | 2004 | 4,12 t | 2023 | 3,67 t |
| 1986 | 3,53 t | 2005 | 4,23 t | 2024 | 3,64 t |
| 1987 | 3,6 t | 2006 | 4,33 t | | |
| 1988 | 3,51 t | 2007 | 4,33 t | | |