Tabella dei dati
| 1989 | 18% | 2002 | 12% | 2015 | 12,6% |
| 1990 | 14,9% | 2003 | 12,6% | 2016 | 11,1% |
| 1991 | 14,1% | 2004 | 12,7% | 2017 | 13,5% |
| 1992 | 15,7% | 2005 | 12,6% | 2018 | 13,5% |
| 1993 | 15,8% | 2006 | 12,9% | 2019 | 13,8% |
| 1994 | 16,4% | 2007 | 16% | 2020 | 14,4% |
| 1995 | 17,6% | 2008 | 14,5% | 2021 | 17,5% |
| 1996 | 18% | 2009 | 14,8% | 2022 | 14,5% |
| 1997 | 18% | 2010 | 13,8% | 2023 | 15,2% |
| 1998 | 17,4% | 2011 | 13,7% | 2024 | 15,2% |
| 1999 | 12,7% | 2012 | 14% | 2025 | 15,6% |
| 2000 | 11,9% | 2013 | 13,5% | 2026 | 15,9% |
| 2001 | 12,2% | 2014 | 12,6% | | |
Tabella dei dati
| 1989 | 91,5 mld | 2002 | 348 mld | 2015 | 848 mld |
| 1990 | 79,4 mld | 2003 | 391 mld | 2016 | 780 mld |
| 1991 | 79,3 mld | 2004 | 413 mld | 2017 | 1 mila mld |
| 1992 | 93,3 mld | 2005 | 437 mld | 2018 | 1,08 mila mld |
| 1993 | 102 mld | 2006 | 473 mld | 2019 | 1,19 mila mld |
| 1994 | 145 mld | 2007 | 627 mld | 2020 | 1,3 mila mld |
| 1995 | 190 mld | 2008 | 633 mld | 2021 | 1,72 mila mld |
| 1996 | 217 mld | 2009 | 676 mld | 2022 | 1,57 mila mld |
| 1997 | 238 mld | 2010 | 651 mld | 2023 | 1,82 mila mld |
| 1998 | 252 mld | 2011 | 693 mld | 2024 | 1,97 mila mld |
| 1999 | 287 mld | 2012 | 798 mld | 2025 | 2,2 mila mld |
| 2000 | 299 mld | 2013 | 836 mld | 2026 | 2,46 mila mld |
| 2001 | 327 mld | 2014 | 825 mld | | |
Tabella dei dati
| 1989 | 17,1% | 2002 | 15,3% | 2015 | 18,2% |
| 1990 | 18,1% | 2003 | 13,7% | 2016 | 15,4% |
| 1991 | 17,2% | 2004 | 13,4% | 2017 | 17,7% |
| 1992 | 18,4% | 2005 | 14,1% | 2018 | 16,5% |
| 1993 | 16,4% | 2006 | 13% | 2019 | 14,3% |
| 1994 | 18,5% | 2007 | 15,8% | 2020 | 19,1% |
| 1995 | 20,2% | 2008 | 14,5% | 2021 | 20% |
| 1996 | 18,2% | 2009 | 17% | 2022 | 20% |
| 1997 | 17,3% | 2010 | 14,1% | 2023 | 19,3% |
| 1998 | 14,9% | 2011 | 14,7% | 2024 | 18,2% |
| 1999 | 10,7% | 2012 | 14,2% | 2025 | 18,5% |
| 2000 | 15,6% | 2013 | 14,9% | 2026 | 18,8% |
| 2001 | 15,4% | 2014 | 14,2% | | |
Tabella dei dati
| 1989 | 87 mld | 2002 | 445 mld | 2015 | 1,22 mila mld |
| 1990 | 96,7 mld | 2003 | 425 mld | 2016 | 1,08 mila mld |
| 1991 | 96,5 mld | 2004 | 436 mld | 2017 | 1,31 mila mld |
| 1992 | 109 mld | 2005 | 490 mld | 2018 | 1,31 mila mld |
| 1993 | 105 mld | 2006 | 478 mld | 2019 | 1,23 mila mld |
| 1994 | 164 mld | 2007 | 618 mld | 2020 | 1,72 mila mld |
| 1995 | 219 mld | 2008 | 635 mld | 2021 | 1,96 mila mld |
| 1996 | 219 mld | 2009 | 778 mld | 2022 | 2,17 mila mld |
| 1997 | 230 mld | 2010 | 664 mld | 2023 | 2,31 mila mld |
| 1998 | 216 mld | 2011 | 742 mld | 2024 | 2,37 mila mld |
| 1999 | 243 mld | 2012 | 810 mld | 2025 | 2,62 mila mld |
| 2000 | 391 mld | 2013 | 921 mld | 2026 | 2,91 mila mld |
| 2001 | 415 mld | 2014 | 933 mld | | |