Tabella dei dati
| 1995 | 19,2% | 2006 | 5,3% | 2017 | 22,5% |
| 1996 | 16,7% | 2007 | 4% | 2018 | 18,7% |
| 1997 | 11,4% | 2008 | 3,2% | 2019 | 17,7% |
| 1998 | 14,3% | 2009 | 4,7% | 2020 | 21,3% |
| 1999 | 25,4% | 2010 | 5% | 2021 | 26,3% |
| 2000 | 13,1% | 2011 | 5% | 2022 | 17,3% |
| 2001 | 13% | 2012 | 5,8% | 2023 | 21,8% |
| 2002 | 11,9% | 2013 | 6,2% | 2024 | 21,6% |
| 2003 | 10,7% | 2014 | 8,5% | 2025 | 20,1% |
| 2004 | 9,7% | 2015 | 18% | 2026 | 20% |
| 2005 | 6,9% | 2016 | 20,6% | | |
Tabella dei dati
| 1995 | 410 mln | 2006 | 993 mln | 2017 | 15,8 mld |
| 1996 | 457 mln | 2007 | 1,14 mld | 2018 | 15 mld |
| 1997 | 394 mln | 2008 | 1,29 mld | 2019 | 14,5 mld |
| 1998 | 473 mln | 2009 | 1,68 mld | 2020 | 15,5 mld |
| 1999 | 959 mln | 2010 | 2,12 mld | 2021 | 24,6 mld |
| 2000 | 620 mln | 2011 | 2,59 mld | 2022 | 23,2 mld |
| 2001 | 689 mln | 2012 | 3,19 mld | 2023 | 26,9 mld |
| 2002 | 721 mln | 2013 | 3,6 mld | 2024 | 27,4 mld |
| 2003 | 762 mln | 2014 | 5,04 mld | 2025 | 26 mld |
| 2004 | 828 mln | 2015 | 9,78 mld | 2026 | 26,7 mld |
| 2005 | 858 mln | 2016 | 12,5 mld | | |