Datentabelle
| 1980 | 229 Mio. | 1996 | 850 Mio. | 2012 | 1,92 Mrd. |
| 1981 | 238 Mio. | 1997 | 873 Mio. | 2013 | 2,04 Mrd. |
| 1982 | 238 Mio. | 1998 | 929 Mio. | 2014 | 2,14 Mrd. |
| 1983 | 251 Mio. | 1999 | 1 Mrd. | 2015 | 2,19 Mrd. |
| 1984 | 280 Mio. | 2000 | 1,14 Mrd. | 2016 | 2,24 Mrd. |
| 1985 | 278 Mio. | 2001 | 1,17 Mrd. | 2017 | 2,27 Mrd. |
| 1986 | 302 Mio. | 2002 | 1,24 Mrd. | 2018 | 2,29 Mrd. |
| 1987 | 354 Mio. | 2003 | 1,31 Mrd. | 2019 | 2,38 Mrd. |
| 1988 | 418 Mio. | 2004 | 1,4 Mrd. | 2020 | 2,05 Mrd. |
| 1989 | 482 Mio. | 2005 | 1,47 Mrd. | 2021 | 2,43 Mrd. |
| 1990 | 547 Mio. | 2006 | 1,59 Mrd. | 2022 | 2,85 Mrd. |
| 1991 | 597 Mio. | 2007 | 1,71 Mrd. | 2023 | 3,05 Mrd. |
| 1992 | 696 Mio. | 2008 | 1,74 Mrd. | 2024 | 3,2 Mrd. |
| 1993 | 752 Mio. | 2009 | 1,69 Mrd. | 2025 | 3,33 Mrd. |
| 1994 | 772 Mio. | 2010 | 1,75 Mrd. | 2026 | 3,45 Mrd. |
| 1995 | 819 Mio. | 2011 | 1,83 Mrd. | | |
Datentabelle
| 1980 | 457 Mio. | 1996 | 1,7 Mrd. | 2012 | 3,83 Mrd. |
| 1981 | 476 Mio. | 1997 | 1,75 Mrd. | 2013 | 4,07 Mrd. |
| 1982 | 476 Mio. | 1998 | 1,86 Mrd. | 2014 | 4,28 Mrd. |
| 1983 | 502 Mio. | 1999 | 2 Mrd. | 2015 | 4,39 Mrd. |
| 1984 | 560 Mio. | 2000 | 2,28 Mrd. | 2016 | 4,48 Mrd. |
| 1985 | 555 Mio. | 2001 | 2,34 Mrd. | 2017 | 4,53 Mrd. |
| 1986 | 605 Mio. | 2002 | 2,49 Mrd. | 2018 | 4,57 Mrd. |
| 1987 | 707 Mio. | 2003 | 2,62 Mrd. | 2019 | 4,76 Mrd. |
| 1988 | 836 Mio. | 2004 | 2,8 Mrd. | 2020 | 4,1 Mrd. |
| 1989 | 964 Mio. | 2005 | 2,95 Mrd. | 2021 | 4,86 Mrd. |
| 1990 | 1,09 Mrd. | 2006 | 3,18 Mrd. | 2022 | 5,69 Mrd. |
| 1991 | 1,19 Mrd. | 2007 | 3,41 Mrd. | 2023 | 6,11 Mrd. |
| 1992 | 1,39 Mrd. | 2008 | 3,48 Mrd. | 2024 | 6,41 Mrd. |
| 1993 | 1,51 Mrd. | 2009 | 3,38 Mrd. | 2025 | 6,65 Mrd. |
| 1994 | 1,54 Mrd. | 2010 | 3,5 Mrd. | 2026 | 6,9 Mrd. |
| 1995 | 1,64 Mrd. | 2011 | 3,66 Mrd. | | |
Datentabelle
| 1980 | 751 Mio. | 1996 | 2,06 Mrd. | 2012 | 3,96 Mrd. |
| 1981 | 752 Mio. | 1997 | 2,14 Mrd. | 2013 | 4,12 Mrd. |
| 1982 | 696 Mio. | 1998 | 2,23 Mrd. | 2014 | 4,28 Mrd. |
| 1983 | 738 Mio. | 1999 | 2,44 Mrd. | 2015 | 4,4 Mrd. |
| 1984 | 821 Mio. | 2000 | 2,73 Mrd. | 2016 | 4,39 Mrd. |
| 1985 | 810 Mio. | 2001 | 2,87 Mrd. | 2017 | 4,31 Mrd. |
| 1986 | 869 Mio. | 2002 | 3,02 Mrd. | 2018 | 4,35 Mrd. |
| 1987 | 1,06 Mrd. | 2003 | 3,32 Mrd. | 2019 | 4,53 Mrd. |
| 1988 | 1,18 Mrd. | 2004 | 3,48 Mrd. | 2020 | 3,92 Mrd. |
| 1989 | 1,36 Mrd. | 2005 | 3,55 Mrd. | 2021 | 4,63 Mrd. |
| 1990 | 1,51 Mrd. | 2006 | 3,71 Mrd. | 2022 | 5,05 Mrd. |
| 1991 | 1,69 Mrd. | 2007 | 3,84 Mrd. | 2023 | 5,08 Mrd. |
| 1992 | 1,9 Mrd. | 2008 | 3,77 Mrd. | 2024 | 5,26 Mrd. |
| 1993 | 2,02 Mrd. | 2009 | 3,76 Mrd. | 2025 | 5,4 Mrd. |
| 1994 | 2,02 Mrd. | 2010 | 3,81 Mrd. | 2026 | 5,52 Mrd. |
| 1995 | 2,03 Mrd. | 2011 | 3,81 Mrd. | | |