Tableau de données
| 1981 | 19,1% | 1997 | 14,2% | 2013 | 16,9% |
| 1982 | 17,1% | 1998 | 13,2% | 2014 | 16,6% |
| 1983 | 17,6% | 1999 | 14,2% | 2015 | 14,9% |
| 1984 | 18,6% | 2000 | 13,4% | 2016 | 14,4% |
| 1985 | 17,7% | 2001 | 17,7% | 2017 | 14,2% |
| 1986 | 15,1% | 2002 | 16,4% | 2018 | 14,9% |
| 1987 | 14,6% | 2003 | 17,1% | 2019 | 14,3% |
| 1988 | 14,6% | 2004 | 17,6% | 2020 | 12,4% |
| 1989 | 14% | 2005 | 17,9% | 2021 | 13,7% |
| 1990 | 16,8% | 2006 | 18,9% | 2022 | 15% |
| 1991 | 15,6% | 2007 | 17,8% | 2023 | 15% |
| 1992 | 15,3% | 2008 | 19,4% | 2024 | 14,6% |
| 1993 | 13,5% | 2009 | 15,4% | 2025 | 13,3% |
| 1994 | 13,5% | 2010 | 15,6% | 2026 | 13,8% |
| 1995 | 12,5% | 2011 | 17% | | |
| 1996 | 12,5% | 2012 | 17,2% | | |
Tableau de données
| 1981 | 12,83 Bn | 1997 | 107,81 Bn | 2013 | 1 609,9 Bn |
| 1982 | 12,35 Bn | 1998 | 152,26 Bn | 2014 | 1 750,37 Bn |
| 1983 | 15,89 Bn | 1999 | 188,43 Bn | 2015 | 1 714,92 Bn |
| 1984 | 19,31 Bn | 2000 | 203,05 Bn | 2016 | 1 780,83 Bn |
| 1985 | 19,84 Bn | 2001 | 317,75 Bn | 2017 | 1 926,99 Bn |
| 1986 | 17,95 Bn | 2002 | 324,03 Bn | 2018 | 2 214,1 Bn |
| 1987 | 21,04 Bn | 2003 | 374,49 Bn | 2019 | 2 259,03 Bn |
| 1988 | 24,06 Bn | 2004 | 438,8 Bn | 2020 | 1 907,54 Bn |
| 1989 | 27,61 Bn | 2005 | 538,89 Bn | 2021 | 2 329,02 Bn |
| 1990 | 38,96 Bn | 2006 | 685,24 Bn | 2022 | 2 928,56 Bn |
| 1991 | 42,71 Bn | 2007 | 764,12 Bn | 2023 | 3 132,87 Bn |
| 1992 | 47,41 Bn | 2008 | 1 053,08 Bn | 2024 | 3 228,54 Bn |
| 1993 | 53,81 Bn | 2009 | 924,69 Bn | 2025 | 3 162,92 Bn |
| 1994 | 62,48 Bn | 2010 | 1 073,83 Bn | 2026 | 3 563,66 Bn |
| 1995 | 68,91 Bn | 2011 | 1 332,19 Bn | | |
| 1996 | 80,24 Bn | 2012 | 1 486,15 Bn | | |
Tableau de données
| 1993 | 14,1% | 2005 | 17,4% | 2017 | 16,4% |
| 1994 | 13,5% | 2006 | 18,4% | 2018 | 16,6% |
| 1995 | 11,9% | 2007 | 18,7% | 2019 | 16,4% |
| 1996 | 11,5% | 2008 | 19,4% | 2020 | 18,4% |
| 1997 | 15,3% | 2009 | 17% | 2021 | 18,1% |
| 1998 | 15,1% | 2010 | 16,9% | 2022 | 17,3% |
| 1999 | 15,1% | 2011 | 17,7% | 2023 | 16,6% |
| 2000 | 15,3% | 2012 | 18,8% | 2024 | 16,9% |
| 2001 | 19,5% | 2013 | 18,8% | 2025 | 16,2% |
| 2002 | 16,9% | 2014 | 18,4% | 2026 | 16,8% |
| 2003 | 18,2% | 2015 | 17,6% | | |
| 2004 | 17,8% | 2016 | 16,9% | | |
Tableau de données
| 1993 | 56,16 Bn | 2005 | 524,96 Bn | 2017 | 2 234,66 Bn |
| 1994 | 62,46 Bn | 2006 | 668,86 Bn | 2018 | 2 464,88 Bn |
| 1995 | 65,39 Bn | 2007 | 805,06 Bn | 2019 | 2 590,03 Bn |
| 1996 | 74,05 Bn | 2008 | 1 050,15 Bn | 2020 | 2 845,7 Bn |
| 1997 | 115,66 Bn | 2009 | 1 023,54 Bn | 2021 | 3 076,82 Bn |
| 1998 | 174,13 Bn | 2010 | 1 159,12 Bn | 2022 | 3 380,48 Bn |
| 1999 | 201,18 Bn | 2011 | 1 387,29 Bn | 2023 | 3 475,88 Bn |
| 2000 | 231,31 Bn | 2012 | 1 622,84 Bn | 2024 | 3 734,01 Bn |
| 2001 | 349,32 Bn | 2013 | 1 796,58 Bn | 2025 | 3 857,71 Bn |
| 2002 | 335,44 Bn | 2014 | 1 941,1 Bn | 2026 | 4 320,49 Bn |
| 2003 | 398,08 Bn | 2015 | 2 028,88 Bn | | |
| 2004 | 445,3 Bn | 2016 | 2 098,43 Bn | | |