Tabella dei dati
| 1999 | 4,7% | 2009 | 21,1% | 2019 | 25,8% |
| 2000 | 3,1% | 2010 | 18,3% | 2020 | 30,1% |
| 2001 | 2,7% | 2011 | 20,4% | 2021 | 35,7% |
| 2002 | 3,4% | 2012 | 20,2% | 2022 | 31,5% |
| 2003 | 3,3% | 2013 | 15,3% | 2023 | 31,9% |
| 2004 | 4,1% | 2014 | 13,5% | 2024 | 34,9% |
| 2005 | 4,5% | 2015 | 15,6% | 2025 | 34,3% |
| 2006 | 5,1% | 2016 | 18,6% | 2026 | 31,4% |
| 2007 | 8,9% | 2017 | 21,2% | | |
| 2008 | 8,9% | 2018 | 20,7% | | |
Tabella dei dati
| 1999 | 14,7 mld | 2009 | 197 mld | 2019 | 411 mld |
| 2000 | 11,8 mld | 2010 | 207 mld | 2020 | 395 mld |
| 2001 | 10,2 mld | 2011 | 276 mld | 2021 | 553 mld |
| 2002 | 13,8 mld | 2012 | 292 mld | 2022 | 592 mld |
| 2003 | 15,2 mld | 2013 | 229 mld | 2023 | 612 mld |
| 2004 | 22,1 mld | 2014 | 210 mld | 2024 | 709 mld |
| 2005 | 29,7 mld | 2015 | 219 mld | 2025 | 721 mld |
| 2006 | 41,2 mld | 2016 | 261 mld | 2026 | 716 mld |
| 2007 | 84,2 mld | 2017 | 314 mld | | |
| 2008 | 104 mld | 2018 | 335 mld | | |