Tableau de données
| 1980 | 10,7% | 1996 | 10,7% | 2012 | 11,7% |
| 1981 | 11,1% | 1997 | 9,9% | 2013 | 12% |
| 1982 | 10,5% | 1998 | 9,7% | 2014 | 13,7% |
| 1983 | 10,7% | 1999 | 10,2% | 2015 | 13,1% |
| 1984 | 12% | 2000 | 10,6% | 2016 | 13,8% |
| 1985 | 11,5% | 2001 | 10,5% | 2017 | 14% |
| 1986 | 12,7% | 2002 | 11,7% | 2018 | 13,4% |
| 1987 | 13,2% | 2003 | 12,7% | 2019 | 11,3% |
| 1988 | 11,3% | 2004 | 10,8% | 2020 | 13,3% |
| 1989 | 11,8% | 2005 | 10,7% | 2021 | 12,4% |
| 1990 | 12,1% | 2006 | 11,7% | 2022 | 12,1% |
| 1991 | 10,6% | 2007 | 11,9% | 2023 | 11,5% |
| 1992 | 11,4% | 2008 | 12,1% | 2024 | 12,6% |
| 1993 | 11,5% | 2009 | 12,8% | 2025 | 15,8% |
| 1994 | 10,9% | 2010 | 12,9% | 2026 | 15,8% |
| 1995 | 10,1% | 2011 | 11,7% | | |
Tableau de données
| 1980 | 40,7 Md | 1996 | 371 Md | 2012 | 2,61 Bn |
| 1981 | 50,3 Md | 1997 | 392 Md | 2013 | 3,01 Bn |
| 1982 | 55,3 Md | 1998 | 423 Md | 2014 | 3,84 Bn |
| 1983 | 63,4 Md | 1999 | 489 Md | 2015 | 3,98 Bn |
| 1984 | 82,1 Md | 2000 | 546 Md | 2016 | 4,51 Bn |
| 1985 | 88,5 Md | 2001 | 594 Md | 2017 | 4,96 Bn |
| 1986 | 106 Md | 2002 | 707 Md | 2018 | 5,26 Bn |
| 1987 | 123 Md | 2003 | 838 Md | 2019 | 4,93 Bn |
| 1988 | 124 Md | 2004 | 825 Md | 2020 | 6,31 Bn |
| 1989 | 148 Md | 2005 | 919 Md | 2021 | 6,93 Bn |
| 1990 | 169 Md | 2006 | 1,13 Bn | 2022 | 8,08 Bn |
| 1991 | 176 Md | 2007 | 1,33 Bn | 2023 | 9,65 Bn |
| 1992 | 224 Md | 2008 | 1,53 Bn | 2024 | 13,32 Bn |
| 1993 | 250 Md | 2009 | 1,88 Bn | 2025 | 18,05 Bn |
| 1994 | 278 Md | 2010 | 2,13 Bn | 2026 | 20,13 Bn |
| 1995 | 307 Md | 2011 | 2,31 Bn | | |
Tableau de données
| 1993 | 17% | 2005 | 13% | 2017 | 19,1% |
| 1994 | 14,5% | 2006 | 14,5% | 2018 | 19,1% |
| 1995 | 14% | 2007 | 16,1% | 2019 | 19,1% |
| 1996 | 15% | 2008 | 18% | 2020 | 20,3% |
| 1997 | 13,7% | 2009 | 17,3% | 2021 | 18,5% |
| 1998 | 14,1% | 2010 | 18,3% | 2022 | 20% |
| 1999 | 13,2% | 2011 | 17,9% | 2023 | 19,3% |
| 2000 | 13,8% | 2012 | 19,4% | 2024 | 19,4% |
| 2001 | 12,9% | 2013 | 19,5% | 2025 | 21,2% |
| 2002 | 14,4% | 2014 | 18,1% | 2026 | 19% |
| 2003 | 12,9% | 2015 | 17,8% | | |
| 2004 | 12,1% | 2016 | 17,7% | | |
Tableau de données
| 1993 | 370 Md | 2005 | 1,12 Bn | 2017 | 6,8 Bn |
| 1994 | 370 Md | 2006 | 1,4 Bn | 2018 | 7,49 Bn |
| 1995 | 426 Md | 2007 | 1,8 Bn | 2019 | 8,35 Bn |
| 1996 | 521 Md | 2008 | 2,28 Bn | 2020 | 9,65 Bn |
| 1997 | 545 Md | 2009 | 2,54 Bn | 2021 | 10,31 Bn |
| 1998 | 618 Md | 2010 | 3,02 Bn | 2022 | 13,3 Bn |
| 1999 | 636 Md | 2011 | 3,54 Bn | 2023 | 16,14 Bn |
| 2000 | 711 Md | 2012 | 4,34 Bn | 2024 | 20,48 Bn |
| 2001 | 732 Md | 2013 | 4,88 Bn | 2025 | 24,17 Bn |
| 2002 | 866 Md | 2014 | 5,06 Bn | 2026 | 24,21 Bn |
| 2003 | 846 Md | 2015 | 5,43 Bn | | |
| 2004 | 923 Md | 2016 | 5,8 Bn | | |