Tabella dei dati
| 2002 | 36,1% | 2011 | 38,9% | 2020 | 44% |
| 2003 | 39,2% | 2012 | 40% | 2021 | 43,7% |
| 2004 | 37,5% | 2013 | 41,7% | 2022 | 38,1% |
| 2005 | 36,8% | 2014 | 43,6% | 2023 | 40,7% |
| 2006 | 46,9% | 2015 | 40,9% | 2024 | 40,7% |
| 2007 | 52,3% | 2016 | 41,5% | 2025 | 40,3% |
| 2008 | 48,9% | 2017 | 40,7% | 2026 | 40,6% |
| 2009 | 44,8% | 2018 | 41,5% | | |
| 2010 | 41,8% | 2019 | 42,7% | | |
Tabella dei dati
| 2002 | 484 mln | 2011 | 1,26 mld | 2020 | 1,83 mld |
| 2003 | 582 mln | 2012 | 1,27 mld | 2021 | 2,15 mld |
| 2004 | 624 mln | 2013 | 1,39 mld | 2022 | 2,27 mld |
| 2005 | 667 mln | 2014 | 1,51 mld | 2023 | 2,88 mld |
| 2006 | 1,02 mld | 2015 | 1,48 mld | 2024 | 3,11 mld |
| 2007 | 1,41 mld | 2016 | 1,64 mld | 2025 | 3,29 mld |
| 2008 | 1,52 mld | 2017 | 1,73 mld | 2026 | 3,53 mld |
| 2009 | 1,34 mld | 2018 | 1,91 mld | | |
| 2010 | 1,31 mld | 2019 | 2,09 mld | | |
Tabella dei dati
| 2002 | 37,5% | 2011 | 45,7% | 2020 | 54,9% |
| 2003 | 43,3% | 2012 | 45,9% | 2021 | 45,1% |
| 2004 | 40% | 2013 | 46,3% | 2022 | 42,2% |
| 2005 | 38,2% | 2014 | 44,3% | 2023 | 40,4% |
| 2006 | 42,6% | 2015 | 46,9% | 2024 | 44,1% |
| 2007 | 43,9% | 2016 | 47,7% | 2025 | 43,9% |
| 2008 | 51,2% | 2017 | 47,6% | 2026 | 44,6% |
| 2009 | 51,5% | 2018 | 47,8% | | |
| 2010 | 46,7% | 2019 | 44,4% | | |
Tabella dei dati
| 2002 | 503 mln | 2011 | 1,48 mld | 2020 | 2,28 mld |
| 2003 | 643 mln | 2012 | 1,45 mld | 2021 | 2,22 mld |
| 2004 | 665 mln | 2013 | 1,54 mld | 2022 | 2,51 mld |
| 2005 | 693 mln | 2014 | 1,53 mld | 2023 | 2,85 mld |
| 2006 | 923 mln | 2015 | 1,7 mld | 2024 | 3,37 mld |
| 2007 | 1,18 mld | 2016 | 1,88 mld | 2025 | 3,59 mld |
| 2008 | 1,59 mld | 2017 | 2,03 mld | 2026 | 3,87 mld |
| 2009 | 1,54 mld | 2018 | 2,2 mld | | |
| 2010 | 1,46 mld | 2019 | 2,18 mld | | |