Tableau de données
| 1980 | 2,26 Md | 1996 | 5,54 Md | 2012 | 21,7 Md |
| 1981 | 2,64 Md | 1997 | 6,03 Md | 2013 | 22,2 Md |
| 1982 | 2,67 Md | 1998 | 5,99 Md | 2014 | 22,7 Md |
| 1983 | 2,92 Md | 1999 | 6,16 Md | 2015 | 24,4 Md |
| 1984 | 3,09 Md | 2000 | 6,54 Md | 2016 | 24,5 Md |
| 1985 | 3,21 Md | 2001 | 6,72 Md | 2017 | 29 Md |
| 1986 | 3,49 Md | 2002 | 6,82 Md | 2018 | 33,1 Md |
| 1987 | 3,62 Md | 2003 | 7,22 Md | 2019 | 34,2 Md |
| 1988 | 4,27 Md | 2004 | 8,3 Md | 2020 | 33,4 Md |
| 1989 | 4,32 Md | 2005 | 9,33 Md | 2021 | 36,9 Md |
| 1990 | 4,44 Md | 2006 | 10,3 Md | 2022 | 41,2 Md |
| 1991 | 4,86 Md | 2007 | 11,8 Md | 2023 | 41 Md |
| 1992 | 4,42 Md | 2008 | 14,3 Md | 2024 | 42,9 Md |
| 1993 | 4,74 Md | 2009 | 14,7 Md | 2025 | 44,8 Md |
| 1994 | 4,95 Md | 2010 | 18,3 Md | 2026 | 45,8 Md |
| 1995 | 5,38 Md | 2011 | 21,7 Md | | |
Tableau de données
| 1980 | 27,1 Md | 1996 | 305 Md | 2012 | 1,76 Bn |
| 1981 | 31,7 Md | 1997 | 343 Md | 2013 | 1,95 Bn |
| 1982 | 34,5 Md | 1998 | 368 Md | 2014 | 2,23 Bn |
| 1983 | 40,3 Md | 1999 | 419 Md | 2015 | 2,42 Bn |
| 1984 | 47,6 Md | 2000 | 465 Md | 2016 | 2,61 Bn |
| 1985 | 57 Md | 2001 | 504 Md | 2017 | 3,08 Bn |
| 1986 | 68,2 Md | 2002 | 524 Md | 2018 | 3,46 Bn |
| 1987 | 78,2 Md | 2003 | 561 Md | 2019 | 3,86 Bn |
| 1988 | 94,2 Md | 2004 | 612 Md | 2020 | 3,89 Bn |
| 1989 | 109 Md | 2005 | 672 Md | 2021 | 4,35 Bn |
| 1990 | 127 Md | 2006 | 746 Md | 2022 | 4,98 Bn |
| 1991 | 152 Md | 2007 | 830 Md | 2023 | 5,37 Bn |
| 1992 | 187 Md | 2008 | 930 Md | 2024 | 5,71 Bn |
| 1993 | 215 Md | 2009 | 1,13 Bn | 2025 | 6,11 Bn |
| 1994 | 244 Md | 2010 | 1,36 Bn | 2026 | 6,5 Bn |
| 1995 | 268 Md | 2011 | 1,56 Bn | | |
Tableau de données
| 1980 | 394 Md | 1996 | 848 Md | 2012 | 1,63 Bn |
| 1981 | 427 Md | 1997 | 893 Md | 2013 | 1,69 Bn |
| 1982 | 443 Md | 1998 | 919 Md | 2014 | 1,79 Bn |
| 1983 | 430 Md | 1999 | 960 Md | 2015 | 1,86 Bn |
| 1984 | 471 Md | 2000 | 1,02 Bn | 2016 | 1,87 Bn |
| 1985 | 500 Md | 2001 | 1,08 Bn | 2017 | 2,04 Bn |
| 1986 | 523 Md | 2002 | 1,08 Bn | 2018 | 2,19 Bn |
| 1987 | 532 Md | 2003 | 1,12 Bn | 2019 | 2,34 Bn |
| 1988 | 573 Md | 2004 | 1,17 Bn | 2020 | 2,28 Bn |
| 1989 | 598 Md | 2005 | 1,21 Bn | 2021 | 2,39 Bn |
| 1990 | 625 Md | 2006 | 1,25 Bn | 2022 | 2,53 Bn |
| 1991 | 665 Md | 2007 | 1,3 Bn | 2023 | 2,58 Bn |
| 1992 | 692 Md | 2008 | 1,38 Bn | 2024 | 2,67 Bn |
| 1993 | 719 Md | 2009 | 1,44 Bn | 2025 | 2,8 Bn |
| 1994 | 778 Md | 2010 | 1,51 Bn | 2026 | 2,88 Bn |
| 1995 | 805 Md | 2011 | 1,56 Bn | | |