Mostrar tabla de datos
| 1970 | 17,42 Mt | 1989 | 21 Mt | 2008 | 38,99 Mt |
| 1971 | 17,38 Mt | 1990 | 20,84 Mt | 2009 | 41,97 Mt |
| 1972 | 17,4 Mt | 1991 | 20,24 Mt | 2010 | 45,85 Mt |
| 1973 | 18,43 Mt | 1992 | 21,11 Mt | 2011 | 49,18 Mt |
| 1974 | 19,99 Mt | 1993 | 22,21 Mt | 2012 | 49,12 Mt |
| 1975 | 20,38 Mt | 1994 | 22,79 Mt | 2013 | 50,32 Mt |
| 1976 | 20,83 Mt | 1995 | 25,89 Mt | 2014 | 53,25 Mt |
| 1977 | 20,53 Mt | 1996 | 28,45 Mt | 2015 | 54,9 Mt |
| 1978 | 20,62 Mt | 1997 | 28,37 Mt | 2016 | 57,5 Mt |
| 1979 | 21,51 Mt | 1998 | 27,27 Mt | 2017 | 55,22 Mt |
| 1980 | 22,63 Mt | 1999 | 29,31 Mt | 2018 | 55,35 Mt |
| 1981 | 23,39 Mt | 2000 | 28,99 Mt | 2019 | 58,17 Mt |
| 1982 | 23 Mt | 2001 | 26,94 Mt | 2020 | 47,53 Mt |
| 1983 | 19,51 Mt | 2002 | 28,1 Mt | 2021 | 59,63 Mt |
| 1984 | 20,24 Mt | 2003 | 27,55 Mt | 2022 | 63,74 Mt |
| 1985 | 19,55 Mt | 2004 | 31,82 Mt | 2023 | 65,08 Mt |
| 1986 | 21,29 Mt | 2005 | 31,84 Mt | 2024 | 69,27 Mt |
| 1987 | 23,02 Mt | 2006 | 31,49 Mt | | |
| 1988 | 23,31 Mt | 2007 | 34,37 Mt | | |
Mostrar tabla de datos
| 1970 | 1,29 t | 1989 | 0,98 t | 2008 | 1,36 t |
| 1971 | 1,26 t | 1990 | 0,95 t | 2009 | 1,45 t |
| 1972 | 1,22 t | 1991 | 0,9 t | 2010 | 1,58 t |
| 1973 | 1,26 t | 1992 | 0,92 t | 2011 | 1,68 t |
| 1974 | 1,34 t | 1993 | 0,95 t | 2012 | 1,66 t |
| 1975 | 1,33 t | 1994 | 0,95 t | 2013 | 1,69 t |
| 1976 | 1,33 t | 1995 | 1,06 t | 2014 | 1,77 t |
| 1977 | 1,27 t | 1996 | 1,15 t | 2015 | 1,8 t |
| 1978 | 1,25 t | 1997 | 1,12 t | 2016 | 1,86 t |
| 1979 | 1,27 t | 1998 | 1,06 t | 2017 | 1,76 t |
| 1980 | 1,3 t | 1999 | 1,12 t | 2018 | 1,74 t |
| 1981 | 1,31 t | 2000 | 1,09 t | 2019 | 1,79 t |
| 1982 | 1,26 t | 2001 | 1 t | 2020 | 1,45 t |
| 1983 | 1,04 t | 2002 | 1,03 t | 2021 | 1,8 t |
| 1984 | 1,06 t | 2003 | 1 t | 2022 | 1,9 t |
| 1985 | 1 t | 2004 | 1,14 t | 2023 | 1,92 t |
| 1986 | 1,06 t | 2005 | 1,13 t | 2024 | 2,02 t |
| 1987 | 1,12 t | 2006 | 1,11 t | | |
| 1988 | 1,11 t | 2007 | 1,2 t | | |