Tabella dei dati
| 1997 | 19,2% | 2007 | 22,1% | 2017 | 23,2% |
| 1998 | 17% | 2008 | 21,4% | 2018 | 25% |
| 1999 | 17,2% | 2009 | 22,9% | 2019 | 25,6% |
| 2000 | 20,6% | 2010 | 22% | 2020 | 22,8% |
| 2001 | 20,3% | 2011 | 21,4% | 2021 | 17,8% |
| 2002 | 20,7% | 2012 | 18,7% | 2022 | 15,3% |
| 2003 | 18,7% | 2013 | 19,2% | 2023 | 18,1% |
| 2004 | 20,8% | 2014 | 19,2% | 2024 | 16,1% |
| 2005 | 21,8% | 2015 | 21% | 2025 | 18,5% |
| 2006 | 22,8% | 2016 | 22% | 2026 | 16% |
Tabella dei dati
| 1997 | 43,3 mld | 2007 | 99,6 mld | 2017 | 227 mld |
| 1998 | 38,4 mld | 2008 | 108 mld | 2018 | 249 mld |
| 1999 | 45,4 mld | 2009 | 121 mld | 2019 | 276 mld |
| 2000 | 56,3 mld | 2010 | 130 mld | 2020 | 260 mld |
| 2001 | 57,2 mld | 2011 | 145 mld | 2021 | 299 mld |
| 2002 | 61,4 mld | 2012 | 156 mld | 2022 | 469 mld |
| 2003 | 57,7 mld | 2013 | 165 mld | 2023 | 638 mld |
| 2004 | 68,3 mld | 2014 | 164 mld | 2024 | 826 mld |
| 2005 | 74,7 mld | 2015 | 186 mld | 2025 | 1,05 mila mld |
| 2006 | 86,8 mld | 2016 | 203 mld | 2026 | 1,14 mila mld |
Tabella dei dati
| 1997 | 20,9% | 2007 | 25,5% | 2017 | 26,3% |
| 1998 | 19,7% | 2008 | 24,1% | 2018 | 27,6% |
| 1999 | 17,6% | 2009 | 25,4% | 2019 | 28,1% |
| 2000 | 22,9% | 2010 | 23,9% | 2020 | 30,5% |
| 2001 | 24% | 2011 | 23,5% | 2021 | 24,8% |
| 2002 | 23,1% | 2012 | 21,8% | 2022 | 20,4% |
| 2003 | 23,5% | 2013 | 21,4% | 2023 | 23,7% |
| 2004 | 23,7% | 2014 | 23,1% | 2024 | 23,3% |
| 2005 | 28,4% | 2015 | 21,7% | 2025 | 23,9% |
| 2006 | 29% | 2016 | 25,2% | 2026 | 22,4% |
Tabella dei dati
| 1997 | 47,2 mld | 2007 | 115 mld | 2017 | 258 mld |
| 1998 | 44,4 mld | 2008 | 122 mld | 2018 | 274 mld |
| 1999 | 46,7 mld | 2009 | 134 mld | 2019 | 303 mld |
| 2000 | 62,5 mld | 2010 | 141 mld | 2020 | 348 mld |
| 2001 | 67,7 mld | 2011 | 160 mld | 2021 | 415 mld |
| 2002 | 68,5 mld | 2012 | 181 mld | 2022 | 626 mld |
| 2003 | 72,5 mld | 2013 | 183 mld | 2023 | 836 mld |
| 2004 | 77,7 mld | 2014 | 197 mld | 2024 | 1,2 mila mld |
| 2005 | 97,1 mld | 2015 | 192 mld | 2025 | 1,35 mila mld |
| 2006 | 110 mld | 2016 | 233 mld | 2026 | 1,59 mila mld |