Datentabelle
| 1998 | 58,9% | 2008 | 28,2% | 2018 | 49,4% |
| 1999 | 59,4% | 2009 | 33,3% | 2019 | 44,3% |
| 2000 | 55,8% | 2010 | 40,3% | 2020 | 43,2% |
| 2001 | 53,8% | 2011 | 41,5% | 2021 | 45,4% |
| 2002 | 50,3% | 2012 | 50,9% | 2022 | 41% |
| 2003 | 42,8% | 2013 | 54,1% | 2023 | 31,8% |
| 2004 | 39,8% | 2014 | 54,9% | 2024 | 25,2% |
| 2005 | 34,2% | 2015 | 56,4% | 2025 | 21,2% |
| 2006 | 33,5% | 2016 | 49% | 2026 | 17,1% |
| 2007 | 31,5% | 2017 | 46,7% | | |
Datentabelle
| 1998 | 464 Mio. | 2008 | 490 Mio. | 2018 | 1,11 Mrd. |
| 1999 | 467 Mio. | 2009 | 585 Mio. | 2019 | 1,06 Mrd. |
| 2000 | 470 Mio. | 2010 | 695 Mio. | 2020 | 1,01 Mrd. |
| 2001 | 503 Mio. | 2011 | 738 Mio. | 2021 | 1 Mrd. |
| 2002 | 505 Mio. | 2012 | 906 Mio. | 2022 | 949 Mio. |
| 2003 | 463 Mio. | 2013 | 986 Mio. | 2023 | 908 Mio. |
| 2004 | 476 Mio. | 2014 | 1,02 Mrd. | 2024 | 815 Mio. |
| 2005 | 453 Mio. | 2015 | 1,13 Mrd. | 2025 | 760 Mio. |
| 2006 | 477 Mio. | 2016 | 1,08 Mrd. | 2026 | 655 Mio. |
| 2007 | 484 Mio. | 2017 | 1,05 Mrd. | | |