Datentabelle
| 1997 | 2.230 | 2007 | 2.905 | 2017 | 4.548 |
| 1998 | 2.241 | 2008 | 2.794 | 2018 | 4.851 |
| 1999 | 2.231 | 2009 | 2.893 | 2019 | 5.275 |
| 2000 | 2.247 | 2010 | 3.043 | 2020 | 5.502 |
| 2001 | 2.427 | 2011 | 3.241 | 2021 | 6.159 |
| 2002 | 2.657 | 2012 | 3.438 | 2022 | 6.247 |
| 2003 | 2.625 | 2013 | 3.596 | 2023 | 6.527 |
| 2004 | 2.634 | 2014 | 3.652 | 2024 | 7.434 |
| 2005 | 2.695 | 2015 | 3.681 | 2025 | 8.451 |
| 2006 | 2.781 | 2016 | 4.144 | 2026 | 9.677 |
Datentabelle
| 1997 | 2.230 | 2007 | 2.905 | 2017 | 4.548 |
| 1998 | 2.241 | 2008 | 2.794 | 2018 | 4.851 |
| 1999 | 2.231 | 2009 | 2.893 | 2019 | 5.275 |
| 2000 | 2.247 | 2010 | 3.043 | 2020 | 5.502 |
| 2001 | 2.427 | 2011 | 3.241 | 2021 | 6.159 |
| 2002 | 2.657 | 2012 | 3.438 | 2022 | 6.247 |
| 2003 | 2.625 | 2013 | 3.596 | 2023 | 6.527 |
| 2004 | 2.634 | 2014 | 3.652 | 2024 | 7.434 |
| 2005 | 2.695 | 2015 | 3.681 | 2025 | 8.451 |
| 2006 | 2.781 | 2016 | 4.144 | 2026 | 9.677 |
Datentabelle
| 1997 | 3.115 | 2007 | 3.420 | 2017 | 4.150 |
| 1998 | 3.049 | 2008 | 3.120 | 2018 | 4.535 |
| 1999 | 2.961 | 2009 | 3.246 | 2019 | 5.147 |
| 2000 | 3.017 | 2010 | 3.385 | 2020 | 5.028 |
| 2001 | 3.276 | 2011 | 3.353 | 2021 | 5.320 |
| 2002 | 3.449 | 2012 | 3.347 | 2022 | 5.411 |
| 2003 | 3.374 | 2013 | 3.523 | 2023 | 5.254 |
| 2004 | 3.320 | 2014 | 3.539 | 2024 | 5.696 |
| 2005 | 3.332 | 2015 | 3.681 | 2025 | 6.147 |
| 2006 | 3.319 | 2016 | 3.866 | 2026 | 6.570 |