Tableau de données
| 1980 | 47,6% | 1996 | 52,1% | 2012 | 52,7% |
| 1981 | 48,2% | 1997 | 51,9% | 2013 | 53,7% |
| 1982 | 49,2% | 1998 | 51,6% | 2014 | 53,8% |
| 1983 | 50% | 1999 | 52,1% | 2015 | 53,7% |
| 1984 | 50,8% | 2000 | 51,3% | 2016 | 53,6% |
| 1985 | 51,2% | 2001 | 51,4% | 2017 | 54,3% |
| 1986 | 50,2% | 2002 | 50,7% | 2018 | 54% |
| 1987 | 50,8% | 2003 | 50,3% | 2019 | 53% |
| 1988 | 49,4% | 2004 | 50,4% | 2020 | 52,8% |
| 1989 | 49,1% | 2005 | 50,8% | 2021 | 52,9% |
| 1990 | 49,2% | 2006 | 51,1% | 2022 | 53,7% |
| 1991 | 49,8% | 2007 | 50,6% | 2023 | 51,4% |
| 1992 | 49,4% | 2008 | 50,8% | 2024 | 51,5% |
| 1993 | 50,1% | 2009 | 50,6% | 2025 | 52,4% |
| 1994 | 50,4% | 2010 | 50,6% | 2026 | 52,4% |
| 1995 | 50,9% | 2011 | 51,7% | | |
Tableau de données
| 1980 | 213 Md | 1996 | 650 Md | 2012 | 1,1 Bn |
| 1981 | 243 Md | 1997 | 669 Md | 2013 | 1,14 Bn |
| 1982 | 285 Md | 1998 | 695 Md | 2014 | 1,16 Bn |
| 1983 | 322 Md | 1999 | 727 Md | 2015 | 1,18 Bn |
| 1984 | 355 Md | 2000 | 756 Md | 2016 | 1,2 Bn |
| 1985 | 384 Md | 2001 | 787 Md | 2017 | 1,24 Bn |
| 1986 | 405 Md | 2002 | 801 Md | 2018 | 1,27 Bn |
| 1987 | 431 Md | 2003 | 815 Md | 2019 | 1,29 Bn |
| 1988 | 454 Md | 2004 | 856 Md | 2020 | 1,22 Bn |
| 1989 | 485 Md | 2005 | 894 Md | 2021 | 1,33 Bn |
| 1990 | 513 Md | 2006 | 943 Md | 2022 | 1,42 Bn |
| 1991 | 540 Md | 2007 | 981 Md | 2023 | 1,45 Bn |
| 1992 | 554 Md | 2008 | 1,01 Bn | 2024 | 1,5 Bn |
| 1993 | 569 Md | 2009 | 980 Md | 2025 | 1,56 Bn |
| 1994 | 591 Md | 2010 | 1,01 Bn | 2026 | 1,6 Bn |
| 1995 | 618 Md | 2011 | 1,07 Bn | | |
Tableau de données
| 1980 | 46,9% | 1996 | 56% | 2012 | 57,9% |
| 1981 | 49,5% | 1997 | 55,6% | 2013 | 58,6% |
| 1982 | 50,8% | 1998 | 54% | 2014 | 58,4% |
| 1983 | 52,6% | 1999 | 53,7% | 2015 | 57,6% |
| 1984 | 53,6% | 2000 | 52,6% | 2016 | 57,4% |
| 1985 | 54,2% | 2001 | 52,8% | 2017 | 57,7% |
| 1986 | 53,4% | 2002 | 53,9% | 2018 | 56,4% |
| 1987 | 52,8% | 2003 | 54,4% | 2019 | 55,3% |
| 1988 | 52% | 2004 | 54% | 2020 | 61,7% |
| 1989 | 50,9% | 2005 | 54,3% | 2021 | 59,5% |
| 1990 | 51,6% | 2006 | 53,7% | 2022 | 58,4% |
| 1991 | 52,7% | 2007 | 53,6% | 2023 | 56,8% |
| 1992 | 54% | 2008 | 54,3% | 2024 | 57,3% |
| 1993 | 56,5% | 2009 | 58% | 2025 | 57,5% |
| 1994 | 55,9% | 2010 | 57,7% | 2026 | 57,4% |
| 1995 | 56% | 2011 | 57% | | |
Tableau de données
| 1980 | 210 Md | 1996 | 699 Md | 2012 | 1,21 Bn |
| 1981 | 250 Md | 1997 | 717 Md | 2013 | 1,24 Bn |
| 1982 | 294 Md | 1998 | 727 Md | 2014 | 1,26 Bn |
| 1983 | 338 Md | 1999 | 749 Md | 2015 | 1,27 Bn |
| 1984 | 375 Md | 2000 | 775 Md | 2016 | 1,28 Bn |
| 1985 | 406 Md | 2001 | 808 Md | 2017 | 1,32 Bn |
| 1986 | 431 Md | 2002 | 851 Md | 2018 | 1,33 Bn |
| 1987 | 448 Md | 2003 | 882 Md | 2019 | 1,35 Bn |
| 1988 | 478 Md | 2004 | 916 Md | 2020 | 1,43 Bn |
| 1989 | 503 Md | 2005 | 956 Md | 2021 | 1,49 Bn |
| 1990 | 539 Md | 2006 | 992 Md | 2022 | 1,55 Bn |
| 1991 | 571 Md | 2007 | 1,04 Bn | 2023 | 1,61 Bn |
| 1992 | 606 Md | 2008 | 1,08 Bn | 2024 | 1,67 Bn |
| 1993 | 642 Md | 2009 | 1,12 Bn | 2025 | 1,71 Bn |
| 1994 | 656 Md | 2010 | 1,15 Bn | 2026 | 1,75 Bn |
| 1995 | 680 Md | 2011 | 1,18 Bn | | |