Datentabelle
| 1999 | 46% | 2009 | 38,3% | 2019 | 28,3% |
| 2000 | 47,5% | 2010 | 34,6% | 2020 | 25,7% |
| 2001 | 39,2% | 2011 | 37% | 2021 | 29,1% |
| 2002 | 41,1% | 2012 | 38% | 2022 | 29,1% |
| 2003 | 42,6% | 2013 | 39,3% | 2023 | 28,2% |
| 2004 | 41,2% | 2014 | 40,4% | 2024 | 26,5% |
| 2005 | 44,1% | 2015 | 33% | 2025 | 27,6% |
| 2006 | 46,4% | 2016 | 34,8% | 2026 | 25% |
| 2007 | 42,8% | 2017 | 33,5% | | |
| 2008 | 40,5% | 2018 | 30,6% | | |
Datentabelle
| 1999 | 12 Mrd. | 2009 | 29,1 Mrd. | 2019 | 50,3 Mrd. |
| 2000 | 14,1 Mrd. | 2010 | 31,2 Mrd. | 2020 | 46,3 Mrd. |
| 2001 | 12,7 Mrd. | 2011 | 38,5 Mrd. | 2021 | 63,6 Mrd. |
| 2002 | 14,3 Mrd. | 2012 | 41,7 Mrd. | 2022 | 74,1 Mrd. |
| 2003 | 16,2 Mrd. | 2013 | 49 Mrd. | 2023 | 74,3 Mrd. |
| 2004 | 18 Mrd. | 2014 | 56 Mrd. | 2024 | 69,5 Mrd. |
| 2005 | 23 Mrd. | 2015 | 47,5 Mrd. | 2025 | 74,2 Mrd. |
| 2006 | 27,7 Mrd. | 2016 | 57,5 Mrd. | 2026 | 72,8 Mrd. |
| 2007 | 28,7 Mrd. | 2017 | 56,5 Mrd. | | |
| 2008 | 29,6 Mrd. | 2018 | 53,5 Mrd. | | |
Datentabelle
| 1980 | 34,3% | 1996 | 36,1% | 2012 | 37,1% |
| 1981 | 37,3% | 1997 | 39% | 2013 | 33,5% |
| 1982 | 36,7% | 1998 | 41,8% | 2014 | 36,5% |
| 1983 | 34,4% | 1999 | 40,1% | 2015 | 37,8% |
| 1984 | 34,6% | 2000 | 38,8% | 2016 | 34,1% |
| 1985 | 31,4% | 2001 | 42,1% | 2017 | 34,7% |
| 1986 | 35,5% | 2002 | 45,1% | 2018 | 35,6% |
| 1987 | 35,9% | 2003 | 42,7% | 2019 | 36,9% |
| 1988 | 32,1% | 2004 | 39,8% | 2020 | 36,5% |
| 1989 | 34% | 2005 | 33,8% | 2021 | 31,4% |
| 1990 | 38,9% | 2006 | 33,1% | 2022 | 29,1% |
| 1991 | 41,1% | 2007 | 37,1% | 2023 | 32,4% |
| 1992 | 42,3% | 2008 | 48,1% | 2024 | 33,7% |
| 1993 | 42% | 2009 | 52,1% | 2025 | 35% |
| 1994 | 37,6% | 2010 | 42,6% | 2026 | 35,7% |
| 1995 | 36,1% | 2011 | 37,2% | | |
Datentabelle
| 1980 | 293 Mio. | 1996 | 6,05 Mrd. | 2012 | 40,7 Mrd. |
| 1981 | 339 Mio. | 1997 | 7,32 Mrd. | 2013 | 41,7 Mrd. |
| 1982 | 408 Mio. | 1998 | 8,94 Mrd. | 2014 | 50,6 Mrd. |
| 1983 | 464 Mio. | 1999 | 10,4 Mrd. | 2015 | 54,4 Mrd. |
| 1984 | 596 Mio. | 2000 | 11,5 Mrd. | 2016 | 56,3 Mrd. |
| 1985 | 716 Mio. | 2001 | 13,7 Mrd. | 2017 | 58,4 Mrd. |
| 1986 | 967 Mio. | 2002 | 15,7 Mrd. | 2018 | 62,4 Mrd. |
| 1987 | 1,28 Mrd. | 2003 | 16,3 Mrd. | 2019 | 65,4 Mrd. |
| 1988 | 1,73 Mrd. | 2004 | 17,4 Mrd. | 2020 | 65,9 Mrd. |
| 1989 | 2,18 Mrd. | 2005 | 17,6 Mrd. | 2021 | 68,7 Mrd. |
| 1990 | 2,86 Mrd. | 2006 | 19,7 Mrd. | 2022 | 74 Mrd. |
| 1991 | 3,37 Mrd. | 2007 | 24,8 Mrd. | 2023 | 85,3 Mrd. |
| 1992 | 3,79 Mrd. | 2008 | 35,2 Mrd. | 2024 | 88,6 Mrd. |
| 1993 | 4,45 Mrd. | 2009 | 39,5 Mrd. | 2025 | 94,2 Mrd. |
| 1994 | 4,47 Mrd. | 2010 | 38,4 Mrd. | 2026 | 104 Mrd. |
| 1995 | 5,08 Mrd. | 2011 | 38,7 Mrd. | | |