Tableau de données
| 1980 | 49,2% | 1996 | 53,4% | 2012 | 54,8% |
| 1981 | 48% | 1997 | 53,3% | 2013 | 52,7% |
| 1982 | 47,7% | 1998 | 51,3% | 2014 | 52,3% |
| 1983 | 49,4% | 1999 | 52,5% | 2015 | 52,5% |
| 1984 | 48,3% | 2000 | 56,6% | 2016 | 52,7% |
| 1985 | 50,5% | 2001 | 56,6% | 2017 | 52,4% |
| 1986 | 50% | 2002 | 55,3% | 2018 | 53,7% |
| 1987 | 50,9% | 2003 | 54,9% | 2019 | 54,7% |
| 1988 | 51% | 2004 | 55,5% | 2020 | 52,1% |
| 1989 | 49,8% | 2005 | 56,2% | 2021 | 54,6% |
| 1990 | 51,1% | 2006 | 57,9% | 2022 | 60,9% |
| 1991 | 50,2% | 2007 | 57,3% | 2023 | 60,1% |
| 1992 | 49,6% | 2008 | 57,4% | 2024 | 59,7% |
| 1993 | 48,9% | 2009 | 54,7% | 2025 | 58,9% |
| 1994 | 49,7% | 2010 | 54,2% | 2026 | 59,5% |
| 1995 | 52,6% | 2011 | 55,3% | | |
Tableau de données
| 1980 | 156 Md | 1996 | 559 Md | 2012 | 1,67 Bn |
| 1981 | 175 Md | 1997 | 603 Md | 2013 | 1,67 Bn |
| 1982 | 192 Md | 1998 | 592 Md | 2014 | 1,7 Bn |
| 1983 | 221 Md | 1999 | 660 Md | 2015 | 1,7 Bn |
| 1984 | 244 Md | 2000 | 851 Md | 2016 | 1,7 Bn |
| 1985 | 283 Md | 2001 | 883 Md | 2017 | 1,8 Bn |
| 1986 | 290 Md | 2002 | 863 Md | 2018 | 1,99 Bn |
| 1987 | 322 Md | 2003 | 891 Md | 2019 | 2,04 Bn |
| 1988 | 337 Md | 2004 | 994 Md | 2020 | 1,87 Bn |
| 1989 | 352 Md | 2005 | 1,13 Bn | 2021 | 2,45 Bn |
| 1990 | 382 Md | 2006 | 1,3 Bn | 2022 | 3,62 Bn |
| 1991 | 394 Md | 2007 | 1,37 Bn | 2023 | 3,19 Bn |
| 1992 | 400 Md | 2008 | 1,53 Bn | 2024 | 3,21 Bn |
| 1993 | 416 Md | 2009 | 1,36 Bn | 2025 | 3,25 Bn |
| 1994 | 443 Md | 2010 | 1,44 Bn | 2026 | 3,45 Bn |
| 1995 | 504 Md | 2011 | 1,59 Bn | | |
Tableau de données
| 1980 | 44,1% | 1996 | 47,4% | 2012 | 41,4% |
| 1981 | 43,4% | 1997 | 45,9% | 2013 | 42,3% |
| 1982 | 44% | 1998 | 48,2% | 2014 | 44% |
| 1983 | 43,6% | 1999 | 46,7% | 2015 | 46,7% |
| 1984 | 41,6% | 2000 | 41,5% | 2016 | 48,8% |
| 1985 | 41% | 2001 | 43,4% | 2017 | 47,6% |
| 1986 | 44,4% | 2002 | 46,3% | 2018 | 46,1% |
| 1987 | 46,7% | 2003 | 47,7% | 2019 | 48,4% |
| 1988 | 48,6% | 2004 | 44,7% | 2020 | 54,5% |
| 1989 | 48,3% | 2005 | 41,6% | 2021 | 44,7% |
| 1990 | 49,1% | 2006 | 40,1% | 2022 | 36,3% |
| 1991 | 50,3% | 2007 | 40,5% | 2023 | 44,2% |
| 1992 | 51,6% | 2008 | 39,2% | 2024 | 46,9% |
| 1993 | 50,5% | 2009 | 44,7% | 2025 | 49,6% |
| 1994 | 49,7% | 2010 | 43,6% | 2026 | 49,3% |
| 1995 | 49,6% | 2011 | 42,3% | | |
Tableau de données
| 1980 | 140 Md | 1996 | 496 Md | 2012 | 1,26 Bn |
| 1981 | 158 Md | 1997 | 519 Md | 2013 | 1,34 Bn |
| 1982 | 177 Md | 1998 | 556 Md | 2014 | 1,43 Bn |
| 1983 | 195 Md | 1999 | 588 Md | 2015 | 1,51 Bn |
| 1984 | 210 Md | 2000 | 624 Md | 2016 | 1,57 Bn |
| 1985 | 230 Md | 2001 | 677 Md | 2017 | 1,64 Bn |
| 1986 | 258 Md | 2002 | 722 Md | 2018 | 1,71 Bn |
| 1987 | 295 Md | 2003 | 774 Md | 2019 | 1,81 Bn |
| 1988 | 321 Md | 2004 | 800 Md | 2020 | 1,96 Bn |
| 1989 | 341 Md | 2005 | 834 Md | 2021 | 2 Bn |
| 1990 | 367 Md | 2006 | 901 Md | 2022 | 2,15 Bn |
| 1991 | 395 Md | 2007 | 967 Md | 2023 | 2,35 Bn |
| 1992 | 417 Md | 2008 | 1,04 Bn | 2024 | 2,52 Bn |
| 1993 | 430 Md | 2009 | 1,11 Bn | 2025 | 2,73 Bn |
| 1994 | 443 Md | 2010 | 1,16 Bn | 2026 | 2,86 Bn |
| 1995 | 475 Md | 2011 | 1,22 Bn | | |