Tableau de données
| 1980 | 0% | 1996 | 22,6% | 2012 | 29,2% |
| 1981 | 0% | 1997 | 23% | 2013 | 29% |
| 1982 | 10,7% | 1998 | 22,5% | 2014 | 29,5% |
| 1983 | 11,3% | 1999 | 22,9% | 2015 | 27,8% |
| 1984 | 11,4% | 2000 | 23,6% | 2016 | 27,7% |
| 1985 | 12,2% | 2001 | 24,8% | 2017 | 26,8% |
| 1986 | 12,2% | 2002 | 24,6% | 2018 | 30% |
| 1987 | 14,1% | 2003 | 25,3% | 2019 | 29,4% |
| 1988 | 13,7% | 2004 | 25,3% | 2020 | 26,6% |
| 1989 | 16,3% | 2005 | 25,9% | 2021 | 27,2% |
| 1990 | 17% | 2006 | 27,4% | 2022 | 27,7% |
| 1991 | 18% | 2007 | 27,3% | 2023 | 32,2% |
| 1992 | 18,3% | 2008 | 28,5% | 2024 | 28,3% |
| 1993 | 19,8% | 2009 | 28,2% | 2025 | 27,4% |
| 1994 | 20,4% | 2010 | 27% | 2026 | 27,9% |
| 1995 | 21,2% | 2011 | 28,2% | | |
Tableau de données
| 1980 | 1 Md | 1996 | 27,16 Bn | 2012 | 194,94 Bn |
| 1981 | 1 Md | 1997 | 33,37 Bn | 2013 | 206,93 Bn |
| 1982 | 374 Md | 1998 | 37,73 Bn | 2014 | 225,19 Bn |
| 1983 | 479 Md | 1999 | 41,46 Bn | 2015 | 223,36 Bn |
| 1984 | 614 Md | 2000 | 48,98 Bn | 2016 | 239,44 Bn |
| 1985 | 844 Md | 2001 | 55,64 Bn | 2017 | 246,92 Bn |
| 1986 | 1,16 Bn | 2002 | 60,01 Bn | 2018 | 296,24 Bn |
| 1987 | 1,73 Bn | 2003 | 68,49 Bn | 2019 | 311,63 Bn |
| 1988 | 2,23 Bn | 2004 | 77,42 Bn | 2020 | 265,47 Bn |
| 1989 | 3,42 Bn | 2005 | 87,42 Bn | 2021 | 324,37 Bn |
| 1990 | 4,8 Bn | 2006 | 104,74 Bn | 2022 | 407,89 Bn |
| 1991 | 6,55 Bn | 2007 | 117,16 Bn | 2023 | 510,62 Bn |
| 1992 | 8,55 Bn | 2008 | 135,68 Bn | 2024 | 485,33 Bn |
| 1993 | 12,07 Bn | 2009 | 141,65 Bn | 2025 | 508,48 Bn |
| 1994 | 16,49 Bn | 2010 | 147,15 Bn | 2026 | 562,01 Bn |
| 1995 | 21,39 Bn | 2011 | 174,81 Bn | | |
Tableau de données
| 1982 | 15,1% | 1997 | 26,2% | 2012 | 29,1% |
| 1983 | 15,1% | 1998 | 26,3% | 2013 | 30% |
| 1984 | 15,3% | 1999 | 28,3% | 2014 | 31,3% |
| 1985 | 14,7% | 2000 | 26,6% | 2015 | 31,3% |
| 1986 | 14,2% | 2001 | 27,5% | 2016 | 30% |
| 1987 | 14,7% | 2002 | 28,1% | 2017 | 29,3% |
| 1988 | 14,6% | 2003 | 28% | 2018 | 34,7% |
| 1989 | 17,7% | 2004 | 26,6% | 2019 | 32,9% |
| 1990 | 17,4% | 2005 | 25,9% | 2020 | 33,7% |
| 1991 | 17,7% | 2006 | 28,4% | 2021 | 34,5% |
| 1992 | 18,4% | 2007 | 28,2% | 2022 | 34,1% |
| 1993 | 20% | 2008 | 28,4% | 2023 | 35,1% |
| 1994 | 20,6% | 2009 | 30,9% | 2024 | 34,4% |
| 1995 | 22,2% | 2010 | 30,4% | 2025 | 33,2% |
| 1996 | 25,1% | 2011 | 30,2% | 2026 | 33% |
Tableau de données
| 1982 | 523 Md | 1997 | 38,07 Bn | 2012 | 193,9 Bn |
| 1983 | 640 Md | 1998 | 44,22 Bn | 2013 | 214,22 Bn |
| 1984 | 822 Md | 1999 | 51,18 Bn | 2014 | 238,49 Bn |
| 1985 | 1,02 Bn | 2000 | 55,07 Bn | 2015 | 251,69 Bn |
| 1986 | 1,34 Bn | 2001 | 61,72 Bn | 2016 | 259,08 Bn |
| 1987 | 1,81 Bn | 2002 | 68,43 Bn | 2017 | 269,89 Bn |
| 1988 | 2,38 Bn | 2003 | 75,8 Bn | 2018 | 342,35 Bn |
| 1989 | 3,73 Bn | 2004 | 81,43 Bn | 2019 | 348,54 Bn |
| 1990 | 4,91 Bn | 2005 | 87,5 Bn | 2020 | 336,62 Bn |
| 1991 | 6,43 Bn | 2006 | 108,53 Bn | 2021 | 411,15 Bn |
| 1992 | 8,59 Bn | 2007 | 120,68 Bn | 2022 | 501,42 Bn |
| 1993 | 12,22 Bn | 2008 | 135,48 Bn | 2023 | 556,97 Bn |
| 1994 | 16,6 Bn | 2009 | 155,06 Bn | 2024 | 588,77 Bn |
| 1995 | 22,39 Bn | 2010 | 165,12 Bn | 2025 | 615,03 Bn |
| 1996 | 30,17 Bn | 2011 | 187,15 Bn | 2026 | 665,95 Bn |