Tabella dei dati
| 1988 | 37,7% | 2001 | 44% | 2014 | 47,9% |
| 1989 | 38,5% | 2002 | 43,6% | 2015 | 47,8% |
| 1990 | 43% | 2003 | 43,7% | 2016 | 46,6% |
| 1991 | 44,2% | 2004 | 43,2% | 2017 | 46,3% |
| 1992 | 46,7% | 2005 | 43% | 2018 | 46,1% |
| 1993 | 48% | 2006 | 44% | 2019 | 47% |
| 1994 | 46,2% | 2007 | 45,3% | 2020 | 47,4% |
| 1995 | 44,2% | 2008 | 45,2% | 2021 | 47,2% |
| 1996 | 44,7% | 2009 | 46% | 2022 | 46,8% |
| 1997 | 46,3% | 2010 | 45,6% | 2023 | 46,5% |
| 1998 | 45% | 2011 | 45,5% | 2024 | 47% |
| 1999 | 45,3% | 2012 | 47,5% | 2025 | 47,9% |
| 2000 | 43,9% | 2013 | 48% | 2026 | 47,8% |
Tabella dei dati
| 1988 | 227 mld | 2001 | 575 mld | 2014 | 784 mld |
| 1989 | 254 mld | 2002 | 591 mld | 2015 | 795 mld |
| 1990 | 309 mld | 2003 | 612 mld | 2016 | 794 mld |
| 1991 | 347 mld | 2004 | 630 mld | 2017 | 807 mld |
| 1992 | 386 mld | 2005 | 644 mld | 2018 | 820 mld |
| 1993 | 409 mld | 2006 | 686 mld | 2019 | 847 mld |
| 1994 | 416 mld | 2007 | 734 mld | 2020 | 792 mld |
| 1995 | 438 mld | 2008 | 742 mld | 2021 | 869 mld |
| 1996 | 469 mld | 2009 | 729 mld | 2022 | 936 mld |
| 1997 | 508 mld | 2010 | 738 mld | 2023 | 996 mld |
| 1998 | 514 mld | 2011 | 754 mld | 2024 | 1,04 mila mld |
| 1999 | 533 mld | 2012 | 776 mld | 2025 | 1,08 mila mld |
| 2000 | 547 mld | 2013 | 779 mld | 2026 | 1,11 mila mld |
Tabella dei dati
| 1988 | 48,3% | 2001 | 47,1% | 2014 | 50,7% |
| 1989 | 49,4% | 2002 | 46,5% | 2015 | 50,2% |
| 1990 | 54,2% | 2003 | 47% | 2016 | 49% |
| 1991 | 55,3% | 2004 | 46,7% | 2017 | 48,8% |
| 1992 | 56,8% | 2005 | 47,1% | 2018 | 48,3% |
| 1993 | 57,8% | 2006 | 47,6% | 2019 | 48,4% |
| 1994 | 55,1% | 2007 | 46,6% | 2020 | 56,8% |
| 1995 | 51,4% | 2008 | 47,8% | 2021 | 56% |
| 1996 | 51,3% | 2009 | 51,1% | 2022 | 54,9% |
| 1997 | 49,3% | 2010 | 49,8% | 2023 | 53,6% |
| 1998 | 48% | 2011 | 49% | 2024 | 50,4% |
| 1999 | 47,1% | 2012 | 50,5% | 2025 | 51,1% |
| 2000 | 46,4% | 2013 | 50,9% | 2026 | 50,6% |
Tabella dei dati
| 1988 | 291 mld | 2001 | 617 mld | 2014 | 830 mld |
| 1989 | 327 mld | 2002 | 630 mld | 2015 | 836 mld |
| 1990 | 390 mld | 2003 | 657 mld | 2016 | 835 mld |
| 1991 | 435 mld | 2004 | 680 mld | 2017 | 851 mld |
| 1992 | 469 mld | 2005 | 705 mld | 2018 | 859 mld |
| 1993 | 492 mld | 2006 | 742 mld | 2019 | 874 mld |
| 1994 | 496 mld | 2007 | 756 mld | 2020 | 948 mld |
| 1995 | 510 mld | 2008 | 785 mld | 2021 | 1,03 mila mld |
| 1996 | 538 mld | 2009 | 809 mld | 2022 | 1,1 mila mld |
| 1997 | 540 mld | 2010 | 806 mld | 2023 | 1,15 mila mld |
| 1998 | 548 mld | 2011 | 813 mld | 2024 | 1,11 mila mld |
| 1999 | 554 mld | 2012 | 824 mld | 2025 | 1,15 mila mld |
| 2000 | 577 mld | 2013 | 825 mld | 2026 | 1,18 mila mld |