Tableau de données
| 1980 | 15% | 1996 | 19,3% | 2012 | 17% |
| 1981 | 13,4% | 1997 | 21,1% | 2013 | 15,9% |
| 1982 | 14,7% | 1998 | 22,2% | 2014 | 16,9% |
| 1983 | 13,3% | 1999 | 21,9% | 2015 | 17,5% |
| 1984 | 12,6% | 2000 | 19,1% | 2016 | 17,3% |
| 1985 | 12,2% | 2001 | 19,1% | 2017 | 17,6% |
| 1986 | 12,3% | 2002 | 15,7% | 2018 | 17,5% |
| 1987 | 12,8% | 2003 | 14,5% | 2019 | 17,7% |
| 1988 | 12,8% | 2004 | 15,3% | 2020 | 16,9% |
| 1989 | 17,3% | 2005 | 14,8% | 2021 | 17,1% |
| 1990 | 18,1% | 2006 | 15% | 2022 | 17,6% |
| 1991 | 14,8% | 2007 | 14,4% | 2023 | 17,7% |
| 1992 | 16,1% | 2008 | 14,1% | 2024 | 18,8% |
| 1993 | 17,2% | 2009 | 14,8% | 2025 | 17,9% |
| 1994 | 19,1% | 2010 | 14,9% | 2026 | 17,9% |
| 1995 | 18,5% | 2011 | 16% | | |
Tableau de données
| 1980 | 77,5 Md | 1996 | 3,9 Bn | 2012 | 25,03 Bn |
| 1981 | 88,4 Md | 1997 | 4,57 Bn | 2013 | 26,48 Bn |
| 1982 | 101 Md | 1998 | 5,61 Bn | 2014 | 30,38 Bn |
| 1983 | 102 Md | 1999 | 6,03 Bn | 2015 | 33,06 Bn |
| 1984 | 125 Md | 2000 | 5,89 Bn | 2016 | 35,46 Bn |
| 1985 | 158 Md | 2001 | 6,67 Bn | 2017 | 38,61 Bn |
| 1986 | 210 Md | 2002 | 6,48 Bn | 2018 | 40,29 Bn |
| 1987 | 297 Md | 2003 | 7,18 Bn | 2019 | 41,84 Bn |
| 1988 | 392 Md | 2004 | 8,83 Bn | 2020 | 40,58 Bn |
| 1989 | 740 Md | 2005 | 9,81 Bn | 2021 | 46,16 Bn |
| 1990 | 1,09 Bn | 2006 | 11,35 Bn | 2022 | 51,33 Bn |
| 1991 | 1,37 Bn | 2007 | 12,9 Bn | 2023 | 55,52 Bn |
| 1992 | 1,73 Bn | 2008 | 15,16 Bn | 2024 | 63,45 Bn |
| 1993 | 2,17 Bn | 2009 | 16,49 Bn | 2025 | 66,74 Bn |
| 1994 | 2,86 Bn | 2010 | 19,2 Bn | 2026 | 71,85 Bn |
| 1995 | 3,29 Bn | 2011 | 22,63 Bn | | |
Tableau de données
| 1980 | 11,6% | 1996 | 16,9% | 2012 | 17,6% |
| 1981 | 13,3% | 1997 | 18,1% | 2013 | 17,1% |
| 1982 | 13,2% | 1998 | 18% | 2014 | 17,1% |
| 1983 | 13% | 1999 | 19,2% | 2015 | 18% |
| 1984 | 13% | 2000 | 19,6% | 2016 | 17,7% |
| 1985 | 11,4% | 2001 | 19% | 2017 | 18,1% |
| 1986 | 9,3% | 2002 | 17,6% | 2018 | 18,5% |
| 1987 | 10,2% | 2003 | 14,6% | 2019 | 20,1% |
| 1988 | 9,8% | 2004 | 14% | 2020 | 22,6% |
| 1989 | 11,8% | 2005 | 14% | 2021 | 20,5% |
| 1990 | 10,5% | 2006 | 14,1% | 2022 | 20,2% |
| 1991 | 11,4% | 2007 | 13,1% | 2023 | 21,5% |
| 1992 | 13% | 2008 | 11,8% | 2024 | 20,9% |
| 1993 | 12,9% | 2009 | 14,3% | 2025 | 19,6% |
| 1994 | 14,5% | 2010 | 13,3% | 2026 | 19,3% |
| 1995 | 15,7% | 2011 | 14,7% | | |
Tableau de données
| 1980 | 60 Md | 1996 | 3,41 Bn | 2012 | 25,89 Bn |
| 1981 | 87,4 Md | 1997 | 3,92 Bn | 2013 | 28,41 Bn |
| 1982 | 90,7 Md | 1998 | 4,53 Bn | 2014 | 30,87 Bn |
| 1983 | 99,8 Md | 1999 | 5,29 Bn | 2015 | 33,88 Bn |
| 1984 | 129 Md | 2000 | 6,06 Bn | 2016 | 36,22 Bn |
| 1985 | 147 Md | 2001 | 6,64 Bn | 2017 | 39,57 Bn |
| 1986 | 158 Md | 2002 | 7,26 Bn | 2018 | 42,63 Bn |
| 1987 | 235 Md | 2003 | 7,21 Bn | 2019 | 47,62 Bn |
| 1988 | 299 Md | 2004 | 8,06 Bn | 2020 | 54,3 Bn |
| 1989 | 506 Md | 2005 | 9,32 Bn | 2021 | 55,34 Bn |
| 1990 | 636 Md | 2006 | 10,66 Bn | 2022 | 59,06 Bn |
| 1991 | 1,05 Bn | 2007 | 11,76 Bn | 2023 | 67,49 Bn |
| 1992 | 1,39 Bn | 2008 | 12,7 Bn | 2024 | 70,56 Bn |
| 1993 | 1,64 Bn | 2009 | 15,83 Bn | 2025 | 73,03 Bn |
| 1994 | 2,17 Bn | 2010 | 17,21 Bn | 2026 | 77,16 Bn |
| 1995 | 2,8 Bn | 2011 | 20,81 Bn | | |