Tabella dei dati
| 1997 | 21,9% | 2007 | 29,5% | 2017 | 8,8% |
| 1998 | 33,3% | 2008 | 26,1% | 2018 | 7,9% |
| 1999 | 35,4% | 2009 | 17,2% | 2019 | 7,8% |
| 2000 | 37,4% | 2010 | 21,6% | 2020 | 9,1% |
| 2001 | 44,6% | 2011 | 18,1% | 2021 | 16,1% |
| 2002 | 55,5% | 2012 | 13,3% | 2022 | 16,5% |
| 2003 | 51,8% | 2013 | 11,6% | 2023 | 22,3% |
| 2004 | 49,4% | 2014 | 10,1% | 2024 | 26,1% |
| 2005 | 38,5% | 2015 | 7,9% | 2025 | 28,7% |
| 2006 | 36,9% | 2016 | 7,5% | 2026 | 29,9% |
Tabella dei dati
| 1997 | 508 mln | 2007 | 1,57 mld | 2017 | 1,02 mld |
| 1998 | 870 mln | 2008 | 1,57 mld | 2018 | 1,02 mld |
| 1999 | 991 mln | 2009 | 1,12 mld | 2019 | 1,04 mld |
| 2000 | 947 mln | 2010 | 1,57 mld | 2020 | 1,15 mld |
| 2001 | 1,14 mld | 2011 | 1,47 mld | 2021 | 2,02 mld |
| 2002 | 1,54 mld | 2012 | 1,16 mld | 2022 | 1,98 mld |
| 2003 | 1,62 mld | 2013 | 1,09 mld | 2023 | 2,82 mld |
| 2004 | 1,73 mld | 2014 | 999 mln | 2024 | 3,5 mld |
| 2005 | 1,6 mld | 2015 | 815 mln | 2025 | 4,07 mld |
| 2006 | 1,73 mld | 2016 | 826 mln | 2026 | 4,57 mld |