Tabella dei dati
| 1997 | 44,2% | 2007 | 17% | 2017 | 33,6% |
| 1998 | 45,1% | 2008 | 15,7% | 2018 | 35% |
| 1999 | 47,7% | 2009 | 14,8% | 2019 | 38% |
| 2000 | 48,5% | 2010 | 18,4% | 2020 | 46,8% |
| 2001 | 51,4% | 2011 | 18% | 2021 | 50,3% |
| 2002 | 54,7% | 2012 | 19,5% | 2022 | 49,9% |
| 2003 | 55,1% | 2013 | 22,1% | 2023 | 50,4% |
| 2004 | 49% | 2014 | 24,8% | 2024 | 51,8% |
| 2005 | 42,6% | 2015 | 28% | 2025 | 54,2% |
| 2006 | 27,8% | 2016 | 31,3% | 2026 | 55% |
Tabella dei dati
| 1997 | 4,02 mila mld | 2007 | 5,12 mila mld | 2017 | 38,28 mila mld |
| 1998 | 4,6 mila mld | 2008 | 6,04 mila mld | 2018 | 44,45 mila mld |
| 1999 | 5,43 mila mld | 2009 | 7,24 mila mld | 2019 | 53,2 mila mld |
| 2000 | 6,19 mila mld | 2010 | 9,87 mila mld | 2020 | 66,07 mila mld |
| 2001 | 7,06 mila mld | 2011 | 12,46 mila mld | 2021 | 77,3 mila mld |
| 2002 | 8,29 mila mld | 2012 | 15,1 mila mld | 2022 | 86,96 mila mld |
| 2003 | 9,45 mila mld | 2013 | 18,47 mila mld | 2023 | 97,69 mila mld |
| 2004 | 9,53 mila mld | 2014 | 22,38 mila mld | 2024 | 111,27 mila mld |
| 2005 | 9,44 mila mld | 2015 | 27,35 mila mld | 2025 | 129,13 mila mld |
| 2006 | 7,16 mila mld | 2016 | 32,4 mila mld | 2026 | 147,84 mila mld |