Mostrar tabla de datos
| 1980 | 2,86 bill. | 1996 | 8,07 bill. | 2012 | 16,25 bill. |
| 1981 | 3,21 bill. | 1997 | 8,58 bill. | 2013 | 16,88 bill. |
| 1982 | 3,34 bill. | 1998 | 9,06 bill. | 2014 | 17,61 bill. |
| 1983 | 3,63 bill. | 1999 | 9,63 bill. | 2015 | 18,29 bill. |
| 1984 | 4,04 bill. | 2000 | 10,25 bill. | 2016 | 18,8 bill. |
| 1985 | 4,34 bill. | 2001 | 10,58 bill. | 2017 | 19,61 bill. |
| 1986 | 4,58 bill. | 2002 | 10,93 bill. | 2018 | 20,66 bill. |
| 1987 | 4,86 bill. | 2003 | 11,46 bill. | 2019 | 21,54 bill. |
| 1988 | 5,24 bill. | 2004 | 12,22 bill. | 2020 | 21,38 bill. |
| 1989 | 5,64 bill. | 2005 | 13,04 bill. | 2021 | 23,73 bill. |
| 1990 | 5,96 bill. | 2006 | 13,82 bill. | 2022 | 26,05 bill. |
| 1991 | 6,16 bill. | 2007 | 14,47 bill. | 2023 | 27,81 bill. |
| 1992 | 6,52 bill. | 2008 | 14,77 bill. | 2024 | 29,3 bill. |
| 1993 | 6,86 bill. | 2009 | 14,48 bill. | 2025 | 30,77 bill. |
| 1994 | 7,29 bill. | 2010 | 15,05 bill. | 2026 | 32,38 bill. |
| 1995 | 7,64 bill. | 2011 | 15,6 bill. | | |
Mostrar tabla de datos
| 1980 | 2,86 bill. | 1996 | 8,07 bill. | 2012 | 16,25 bill. |
| 1981 | 3,21 bill. | 1997 | 8,58 bill. | 2013 | 16,88 bill. |
| 1982 | 3,34 bill. | 1998 | 9,06 bill. | 2014 | 17,61 bill. |
| 1983 | 3,63 bill. | 1999 | 9,63 bill. | 2015 | 18,29 bill. |
| 1984 | 4,04 bill. | 2000 | 10,25 bill. | 2016 | 18,8 bill. |
| 1985 | 4,34 bill. | 2001 | 10,58 bill. | 2017 | 19,61 bill. |
| 1986 | 4,58 bill. | 2002 | 10,93 bill. | 2018 | 20,66 bill. |
| 1987 | 4,86 bill. | 2003 | 11,46 bill. | 2019 | 21,54 bill. |
| 1988 | 5,24 bill. | 2004 | 12,22 bill. | 2020 | 21,38 bill. |
| 1989 | 5,64 bill. | 2005 | 13,04 bill. | 2021 | 23,73 bill. |
| 1990 | 5,96 bill. | 2006 | 13,82 bill. | 2022 | 26,05 bill. |
| 1991 | 6,16 bill. | 2007 | 14,47 bill. | 2023 | 27,81 bill. |
| 1992 | 6,52 bill. | 2008 | 14,77 bill. | 2024 | 29,3 bill. |
| 1993 | 6,86 bill. | 2009 | 14,48 bill. | 2025 | 30,77 bill. |
| 1994 | 7,29 bill. | 2010 | 15,05 bill. | 2026 | 32,38 bill. |
| 1995 | 7,64 bill. | 2011 | 15,6 bill. | | |
Mostrar tabla de datos
| 1980 | 7,26 bill. | 1996 | 11,84 bill. | 2012 | 17,44 bill. |
| 1981 | 7,44 bill. | 1997 | 12,37 bill. | 2013 | 17,81 bill. |
| 1982 | 7,31 bill. | 1998 | 12,92 bill. | 2014 | 18,26 bill. |
| 1983 | 7,64 bill. | 1999 | 13,54 bill. | 2015 | 18,8 bill. |
| 1984 | 8,2 bill. | 2000 | 14,1 bill. | 2016 | 19,14 bill. |
| 1985 | 8,54 bill. | 2001 | 14,23 bill. | 2017 | 19,61 bill. |
| 1986 | 8,83 bill. | 2002 | 14,47 bill. | 2018 | 20,19 bill. |
| 1987 | 9,14 bill. | 2003 | 14,88 bill. | 2019 | 20,72 bill. |
| 1988 | 9,52 bill. | 2004 | 15,45 bill. | 2020 | 20,28 bill. |
| 1989 | 9,87 bill. | 2005 | 15,99 bill. | 2021 | 21,53 bill. |
| 1990 | 10,06 bill. | 2006 | 16,43 bill. | 2022 | 22,08 bill. |
| 1991 | 10,04 bill. | 2007 | 16,76 bill. | 2023 | 22,72 bill. |
| 1992 | 10,4 bill. | 2008 | 16,78 bill. | 2024 | 23,36 bill. |
| 1993 | 10,68 bill. | 2009 | 16,35 bill. | 2025 | 23,85 bill. |
| 1994 | 11,11 bill. | 2010 | 16,79 bill. | 2026 | 24,41 bill. |
| 1995 | 11,41 bill. | 2011 | 17,05 bill. | | |