Tabella dei dati
| 1995 | 42,9% | 2006 | 40,8% | 2017 | 39,6% |
| 1996 | 45,8% | 2007 | 41% | 2018 | 40,8% |
| 1997 | 41,4% | 2008 | 40,4% | 2019 | 40,7% |
| 1998 | 39,7% | 2009 | 37,7% | 2020 | 40,9% |
| 1999 | 40,1% | 2010 | 38,6% | 2021 | 41,9% |
| 2000 | 38,9% | 2011 | 39,1% | 2022 | 39,9% |
| 2001 | 39,8% | 2012 | 39,4% | 2023 | 41,7% |
| 2002 | 40,1% | 2013 | 39% | 2024 | 43% |
| 2003 | 39,3% | 2014 | 39% | 2025 | 42,9% |
| 2004 | 38,4% | 2015 | 38,9% | 2026 | 44,4% |
| 2005 | 40,2% | 2016 | 38,7% | | |
Tabella dei dati
| 1995 | 146 mld | 2006 | 438 mld | 2017 | 792 mld |
| 1996 | 195 mld | 2007 | 487 mld | 2018 | 876 mld |
| 1997 | 215 mld | 2008 | 522 mld | 2019 | 942 mld |
| 1998 | 240 mld | 2009 | 518 mld | 2020 | 966 mld |
| 1999 | 269 mld | 2010 | 556 mld | 2021 | 1,11 mila mld |
| 2000 | 292 mld | 2011 | 612 mld | 2022 | 1,24 mila mld |
| 2001 | 313 mld | 2012 | 639 mld | 2023 | 1,42 mila mld |
| 2002 | 328 mld | 2013 | 638 mld | 2024 | 1,57 mila mld |
| 2003 | 335 mld | 2014 | 667 mld | 2025 | 1,67 mila mld |
| 2004 | 359 mld | 2015 | 704 mld | 2026 | 1,84 mila mld |
| 2005 | 399 mld | 2016 | 722 mld | | |
Tabella dei dati
| 1995 | 47,3% | 2006 | 44,3% | 2017 | 41,1% |
| 1996 | 50,6% | 2007 | 42,8% | 2018 | 41% |
| 1997 | 46% | 2008 | 44% | 2019 | 41,4% |
| 1998 | 43,9% | 2009 | 44,9% | 2020 | 47,7% |
| 1999 | 42,4% | 2010 | 46% | 2021 | 43,6% |
| 2000 | 42,9% | 2011 | 44,1% | 2022 | 43,2% |
| 2001 | 44,6% | 2012 | 43,2% | 2023 | 46,9% |
| 2002 | 44,9% | 2013 | 43,2% | 2024 | 49,4% |
| 2003 | 45,3% | 2014 | 42,7% | 2025 | 50% |
| 2004 | 43,4% | 2015 | 41,5% | 2026 | 51,2% |
| 2005 | 44,1% | 2016 | 41,1% | | |
Tabella dei dati
| 1995 | 161 mld | 2006 | 475 mld | 2017 | 821 mld |
| 1996 | 215 mld | 2007 | 509 mld | 2018 | 881 mld |
| 1997 | 239 mld | 2008 | 568 mld | 2019 | 958 mld |
| 1998 | 266 mld | 2009 | 618 mld | 2020 | 1,13 mila mld |
| 1999 | 284 mld | 2010 | 663 mld | 2021 | 1,16 mila mld |
| 2000 | 322 mld | 2011 | 690 mld | 2022 | 1,34 mila mld |
| 2001 | 350 mld | 2012 | 700 mld | 2023 | 1,6 mila mld |
| 2002 | 367 mld | 2013 | 708 mld | 2024 | 1,81 mila mld |
| 2003 | 386 mld | 2014 | 730 mld | 2025 | 1,95 mila mld |
| 2004 | 406 mld | 2015 | 751 mld | 2026 | 2,12 mila mld |
| 2005 | 438 mld | 2016 | 766 mld | | |