Tableau de données
| 1980 | 842 M | 1996 | 1,5 Md | 2012 | 4,06 Md |
| 1981 | 808 M | 1997 | 1,59 Md | 2013 | 4,17 Md |
| 1982 | 692 M | 1998 | 1,5 Md | 2014 | 4,13 Md |
| 1983 | 703 M | 1999 | 1,49 Md | 2015 | 4,28 Md |
| 1984 | 654 M | 2000 | 1,5 Md | 2016 | 4,48 Md |
| 1985 | 697 M | 2001 | 1,5 Md | 2017 | 4,75 Md |
| 1986 | 789 M | 2002 | 1,56 Md | 2018 | 4,79 Md |
| 1987 | 728 M | 2003 | 1,59 Md | 2019 | 5,17 Md |
| 1988 | 828 M | 2004 | 1,66 Md | 2020 | 5,47 Md |
| 1989 | 832 M | 2005 | 1,71 Md | 2021 | 8,04 Md |
| 1990 | 685 M | 2006 | 1,9 Md | 2022 | 14,7 Md |
| 1991 | 744 M | 2007 | 2,23 Md | 2023 | 16,9 Md |
| 1992 | 823 M | 2008 | 2,49 Md | 2024 | 24,7 Md |
| 1993 | 1 Md | 2009 | 2,6 Md | 2025 | 27,1 Md |
| 1994 | 1,18 Md | 2010 | 2,89 Md | 2026 | 34 Md |
| 1995 | 1,33 Md | 2011 | 3,33 Md | | |
Tableau de données
| 1980 | 2,15 Md | 1996 | 210 Md | 2012 | 830 Md |
| 1981 | 2,27 Md | 1997 | 226 Md | 2013 | 856 Md |
| 1982 | 2,08 Md | 1998 | 226 Md | 2014 | 852 Md |
| 1983 | 2,11 Md | 1999 | 265 Md | 2015 | 884 Md |
| 1984 | 2,5 Md | 2000 | 273 Md | 2016 | 926 Md |
| 1985 | 2,96 Md | 2001 | 282 Md | 2017 | 980 Md |
| 1986 | 3,37 Md | 2002 | 297 Md | 2018 | 994 Md |
| 1987 | 7,11 Md | 2003 | 309 Md | 2019 | 1,08 Bn |
| 1988 | 8,28 Md | 2004 | 329 Md | 2020 | 1,14 Bn |
| 1989 | 22,6 Md | 2005 | 342 Md | 2021 | 1,68 Bn |
| 1990 | 34,5 Md | 2006 | 380 Md | 2022 | 3,07 Bn |
| 1991 | 85 Md | 2007 | 450 Md | 2023 | 3,53 Bn |
| 1992 | 103 Md | 2008 | 507 Md | 2024 | 5,14 Bn |
| 1993 | 127 Md | 2009 | 530 Md | 2025 | 5,65 Bn |
| 1994 | 163 Md | 2010 | 588 Md | 2026 | 7,08 Bn |
| 1995 | 189 Md | 2011 | 679 Md | | |
Tableau de données
| 1980 | 511 Md | 1996 | 558 Md | 2012 | 830 Md |
| 1981 | 514 Md | 1997 | 593 Md | 2013 | 861 Md |
| 1982 | 469 Md | 1998 | 583 Md | 2014 | 875 Md |
| 1983 | 415 Md | 1999 | 600 Md | 2015 | 881 Md |
| 1984 | 424 Md | 2000 | 592 Md | 2016 | 915 Md |
| 1985 | 425 Md | 2001 | 605 Md | 2017 | 949 Md |
| 1986 | 424 Md | 2002 | 612 Md | 2018 | 991 Md |
| 1987 | 424 Md | 2003 | 608 Md | 2019 | 1,04 Bn |
| 1988 | 398 Md | 2004 | 618 Md | 2020 | 1,5 Bn |
| 1989 | 379 Md | 2005 | 606 Md | 2021 | 1,8 Bn |
| 1990 | 367 Md | 2006 | 637 Md | 2022 | 2,94 Bn |
| 1991 | 389 Md | 2007 | 682 Md | 2023 | 3,93 Bn |
| 1992 | 419 Md | 2008 | 695 Md | 2024 | 5,65 Bn |
| 1993 | 454 Md | 2009 | 718 Md | 2025 | 6,74 Bn |
| 1994 | 492 Md | 2010 | 750 Md | 2026 | 7,83 Bn |
| 1995 | 517 Md | 2011 | 790 Md | | |