Tableau de données
| 1980 | 44,4% | 1996 | 16,6% | 2012 | 28% |
| 1981 | 32,1% | 1997 | 18% | 2013 | 24,9% |
| 1982 | 36,4% | 1998 | 27,4% | 2014 | 24,1% |
| 1983 | 44,8% | 1999 | 18,5% | 2015 | 26,5% |
| 1984 | 43,7% | 2000 | 20% | 2016 | 16,9% |
| 1985 | 26% | 2001 | 28,4% | 2017 | 17,5% |
| 1986 | 21,7% | 2002 | 28,8% | 2018 | 19,6% |
| 1987 | 25% | 2003 | 21,8% | 2019 | 18,6% |
| 1988 | 19,5% | 2004 | 24,7% | 2020 | 14,4% |
| 1989 | 40,6% | 2005 | 32,7% | 2021 | 15,4% |
| 1990 | 52,7% | 2006 | 39,9% | 2022 | 26,5% |
| 1991 | 48,5% | 2007 | 36,8% | 2023 | 21,6% |
| 1992 | 37,3% | 2008 | 34,5% | 2024 | 17,9% |
| 1993 | 38,4% | 2009 | 33,4% | 2025 | 18,1% |
| 1994 | 22,5% | 2010 | 26,6% | 2026 | 17,5% |
| 1995 | 18,1% | 2011 | 28,3% | | |
Tableau de données
| 1980 | 2,96 Md | 1996 | 23,4 Md | 2012 | 3,2 Bn |
| 1981 | 2,58 Md | 1997 | 55,1 Md | 2013 | 2,7 Bn |
| 1982 | 4,21 Md | 1998 | 71,3 Md | 2014 | 2,59 Bn |
| 1983 | 6,78 Md | 1999 | 84 Md | 2015 | 2,06 Bn |
| 1984 | 8,39 Md | 2000 | 164 Md | 2016 | 1,13 Bn |
| 1985 | 8,63 Md | 2001 | 348 Md | 2017 | 1,24 Bn |
| 1986 | 6,82 Md | 2002 | 414 Md | 2018 | 1,45 Bn |
| 1987 | 8,35 Md | 2003 | 471 Md | 2019 | 1,24 Bn |
| 1988 | 6,92 Md | 2004 | 774 Md | 2020 | 820 Md |
| 1989 | 13,6 Md | 2005 | 1,41 Bn | 2021 | 1,04 Bn |
| 1990 | 19,1 Md | 2006 | 2,1 Bn | 2022 | 2,26 Bn |
| 1991 | 18 Md | 2007 | 2,31 Bn | 2023 | 1,62 Bn |
| 1992 | 15,8 Md | 2008 | 3,05 Bn | 2024 | 1,39 Bn |
| 1993 | 17,6 Md | 2009 | 2,37 Bn | 2025 | 1,31 Bn |
| 1994 | 15 Md | 2010 | 2,15 Bn | 2026 | 1,34 Bn |
| 1995 | 15,2 Md | 2011 | 2,85 Bn | | |
Tableau de données
| 1980 | 248,5% | 1996 | 22,9% | 2012 | 35,2% |
| 1981 | 207% | 1997 | 14,8% | 2013 | 29,3% |
| 1982 | 221,3% | 1998 | 35,1% | 2014 | 31,6% |
| 1983 | 199,4% | 1999 | 18,7% | 2015 | 41,6% |
| 1984 | 158% | 2000 | 22,6% | 2016 | 27,8% |
| 1985 | 115,4% | 2001 | 13,5% | 2017 | 20,1% |
| 1986 | 119% | 2002 | 11,3% | 2018 | 19,1% |
| 1987 | 183% | 2003 | 11,8% | 2019 | 16,8% |
| 1988 | 227,9% | 2004 | 15,5% | 2020 | 16,2% |
| 1989 | 116,8% | 2005 | 14,1% | 2021 | 12,7% |
| 1990 | 212,9% | 2006 | 18,1% | 2022 | 14,8% |
| 1991 | 284,5% | 2007 | 19,7% | 2023 | 19,2% |
| 1992 | 594,8% | 2008 | 19,9% | 2024 | 18,5% |
| 1993 | 256,3% | 2009 | 39,8% | 2025 | 20,7% |
| 1994 | 509,8% | 2010 | 31,2% | 2026 | 19,2% |
| 1995 | 141,5% | 2011 | 27,5% | | |
Tableau de données
| 1980 | 16,5 Md | 1996 | 32,4 Md | 2012 | 4,02 Bn |
| 1981 | 16,7 Md | 1997 | 45,3 Md | 2013 | 3,17 Bn |
| 1982 | 25,6 Md | 1998 | 91,2 Md | 2014 | 3,4 Bn |
| 1983 | 30,2 Md | 1999 | 84,9 Md | 2015 | 3,24 Bn |
| 1984 | 30,4 Md | 2000 | 186 Md | 2016 | 1,85 Bn |
| 1985 | 38,3 Md | 2001 | 165 Md | 2017 | 1,42 Bn |
| 1986 | 37,4 Md | 2002 | 162 Md | 2018 | 1,41 Bn |
| 1987 | 61 Md | 2003 | 255 Md | 2019 | 1,12 Bn |
| 1988 | 81,1 Md | 2004 | 485 Md | 2020 | 921 Md |
| 1989 | 39,1 Md | 2005 | 610 Md | 2021 | 861 Md |
| 1990 | 77,2 Md | 2006 | 954 Md | 2022 | 1,26 Bn |
| 1991 | 106 Md | 2007 | 1,23 Bn | 2023 | 1,44 Bn |
| 1992 | 252 Md | 2008 | 1,76 Bn | 2024 | 1,43 Bn |
| 1993 | 117 Md | 2009 | 2,83 Bn | 2025 | 1,5 Bn |
| 1994 | 339 Md | 2010 | 2,52 Bn | 2026 | 1,47 Bn |
| 1995 | 119 Md | 2011 | 2,77 Bn | | |