Tableau de données
| 1980 | 26,8 Md | 1996 | 110 Md | 2012 | 319 Md |
| 1981 | 27,3 Md | 1997 | 109 Md | 2013 | 328 Md |
| 1982 | 29,3 Md | 1998 | 78,6 Md | 2014 | 343 Md |
| 1983 | 32,7 Md | 1999 | 86,2 Md | 2015 | 301 Md |
| 1984 | 37,1 Md | 2000 | 102 Md | 2016 | 301 Md |
| 1985 | 34,1 Md | 2001 | 101 Md | 2017 | 319 Md |
| 1986 | 30,3 Md | 2002 | 110 Md | 2018 | 359 Md |
| 1987 | 34,5 Md | 2003 | 120 Md | 2019 | 365 Md |
| 1988 | 37,8 Md | 2004 | 136 Md | 2020 | 337 Md |
| 1989 | 41,7 Md | 2005 | 150 Md | 2021 | 374 Md |
| 1990 | 47,2 Md | 2006 | 170 Md | 2022 | 408 Md |
| 1991 | 53,5 Md | 2007 | 203 Md | 2023 | 400 Md |
| 1992 | 64,4 Md | 2008 | 242 Md | 2024 | 422 Md |
| 1993 | 72,9 Md | 2009 | 212 Md | 2025 | 472 Md |
| 1994 | 81,2 Md | 2010 | 259 Md | 2026 | 516 Md |
| 1995 | 96,6 Md | 2011 | 302 Md | | |
Tableau de données
| 1980 | 58,2 Md | 1996 | 276 Md | 2012 | 985 Md |
| 1981 | 62,9 Md | 1997 | 307 Md | 2013 | 1,03 Bn |
| 1982 | 68,4 Md | 1998 | 308 Md | 2014 | 1,12 Bn |
| 1983 | 76 Md | 1999 | 328 Md | 2015 | 1,18 Bn |
| 1984 | 86,9 Md | 2000 | 388 Md | 2016 | 1,25 Bn |
| 1985 | 84,6 Md | 2001 | 384 Md | 2017 | 1,37 Bn |
| 1986 | 78,2 Md | 2002 | 417 Md | 2018 | 1,45 Bn |
| 1987 | 87 Md | 2003 | 456 Md | 2019 | 1,51 Bn |
| 1988 | 99,1 Md | 2004 | 516 Md | 2020 | 1,42 Bn |
| 1989 | 113 Md | 2005 | 569 Md | 2021 | 1,55 Bn |
| 1990 | 128 Md | 2006 | 625 Md | 2022 | 1,79 Bn |
| 1991 | 147 Md | 2007 | 697 Md | 2023 | 1,82 Bn |
| 1992 | 164 Md | 2008 | 806 Md | 2024 | 1,93 Bn |
| 1993 | 188 Md | 2009 | 747 Md | 2025 | 2,02 Bn |
| 1994 | 213 Md | 2010 | 833 Md | 2026 | 2,18 Bn |
| 1995 | 242 Md | 2011 | 925 Md | | |
Tableau de données
| 1980 | 163 Md | 1996 | 507 Md | 2012 | 1,01 Bn |
| 1981 | 175 Md | 1997 | 544 Md | 2013 | 1,06 Bn |
| 1982 | 185 Md | 1998 | 504 Md | 2014 | 1,12 Bn |
| 1983 | 197 Md | 1999 | 535 Md | 2015 | 1,18 Bn |
| 1984 | 212 Md | 2000 | 581 Md | 2016 | 1,23 Bn |
| 1985 | 210 Md | 2001 | 584 Md | 2017 | 1,3 Bn |
| 1986 | 213 Md | 2002 | 615 Md | 2018 | 1,36 Bn |
| 1987 | 224 Md | 2003 | 651 Md | 2019 | 1,42 Bn |
| 1988 | 246 Md | 2004 | 695 Md | 2020 | 1,35 Bn |
| 1989 | 269 Md | 2005 | 730 Md | 2021 | 1,39 Bn |
| 1990 | 293 Md | 2006 | 771 Md | 2022 | 1,52 Bn |
| 1991 | 321 Md | 2007 | 819 Md | 2023 | 1,57 Bn |
| 1992 | 349 Md | 2008 | 859 Md | 2024 | 1,65 Bn |
| 1993 | 384 Md | 2009 | 846 Md | 2025 | 1,74 Bn |
| 1994 | 419 Md | 2010 | 909 Md | 2026 | 1,82 Bn |
| 1995 | 461 Md | 2011 | 957 Md | | |