Tableau de données
| 1980 | 276 Md | 1996 | 631 Md | 2012 | 1,83 Bn |
| 1981 | 307 Md | 1997 | 655 Md | 2013 | 1,85 Bn |
| 1982 | 315 Md | 1998 | 634 Md | 2014 | 1,81 Bn |
| 1983 | 342 Md | 1999 | 678 Md | 2015 | 1,56 Bn |
| 1984 | 357 Md | 2000 | 745 Md | 2016 | 1,53 Bn |
| 1985 | 366 Md | 2001 | 739 Md | 2017 | 1,65 Bn |
| 1986 | 379 Md | 2002 | 760 Md | 2018 | 1,73 Bn |
| 1987 | 433 Md | 2003 | 896 Md | 2019 | 1,74 Bn |
| 1988 | 509 Md | 2004 | 1,03 Bn | 2020 | 1,66 Bn |
| 1989 | 567 Md | 2005 | 1,17 Bn | 2021 | 2,02 Bn |
| 1990 | 596 Md | 2006 | 1,32 Bn | 2022 | 2,2 Bn |
| 1991 | 613 Md | 2007 | 1,47 Bn | 2023 | 2,2 Bn |
| 1992 | 594 Md | 2008 | 1,55 Bn | 2024 | 2,27 Bn |
| 1993 | 579 Md | 2009 | 1,38 Bn | 2025 | 2,32 Bn |
| 1994 | 580 Md | 2010 | 1,62 Bn | 2026 | 2,51 Bn |
| 1995 | 606 Md | 2011 | 1,79 Bn | | |
Tableau de données
| 1980 | 323 Md | 1996 | 860 Md | 2012 | 1,83 Bn |
| 1981 | 368 Md | 1997 | 907 Md | 2013 | 1,9 Bn |
| 1982 | 388 Md | 1998 | 941 Md | 2014 | 1,99 Bn |
| 1983 | 421 Md | 1999 | 1,01 Bn | 2015 | 1,99 Bn |
| 1984 | 462 Md | 2000 | 1,11 Bn | 2016 | 2,03 Bn |
| 1985 | 500 Md | 2001 | 1,14 Bn | 2017 | 2,14 Bn |
| 1986 | 527 Md | 2002 | 1,19 Bn | 2018 | 2,24 Bn |
| 1987 | 574 Md | 2003 | 1,25 Bn | 2019 | 2,31 Bn |
| 1988 | 627 Md | 2004 | 1,34 Bn | 2020 | 2,22 Bn |
| 1989 | 672 Md | 2005 | 1,42 Bn | 2021 | 2,54 Bn |
| 1990 | 696 Md | 2006 | 1,5 Bn | 2022 | 2,86 Bn |
| 1991 | 702 Md | 2007 | 1,58 Bn | 2023 | 2,97 Bn |
| 1992 | 718 Md | 2008 | 1,66 Bn | 2024 | 3,11 Bn |
| 1993 | 747 Md | 2009 | 1,57 Bn | 2025 | 3,24 Bn |
| 1994 | 792 Md | 2010 | 1,67 Bn | 2026 | 3,42 Bn |
| 1995 | 832 Md | 2011 | 1,77 Bn | | |
Tableau de données
| 1980 | 894 Md | 1996 | 1,28 Bn | 2012 | 1,94 Bn |
| 1981 | 925 Md | 1997 | 1,34 Bn | 2013 | 1,99 Bn |
| 1982 | 896 Md | 1998 | 1,39 Bn | 2014 | 2,04 Bn |
| 1983 | 919 Md | 1999 | 1,46 Bn | 2015 | 2,06 Bn |
| 1984 | 973 Md | 2000 | 1,54 Bn | 2016 | 2,08 Bn |
| 1985 | 1,02 Bn | 2001 | 1,57 Bn | 2017 | 2,14 Bn |
| 1986 | 1,04 Bn | 2002 | 1,61 Bn | 2018 | 2,2 Bn |
| 1987 | 1,08 Bn | 2003 | 1,64 Bn | 2019 | 2,24 Bn |
| 1988 | 1,13 Bn | 2004 | 1,69 Bn | 2020 | 2,13 Bn |
| 1989 | 1,16 Bn | 2005 | 1,75 Bn | 2021 | 2,26 Bn |
| 1990 | 1,16 Bn | 2006 | 1,79 Bn | 2022 | 2,36 Bn |
| 1991 | 1,14 Bn | 2007 | 1,83 Bn | 2023 | 2,41 Bn |
| 1992 | 1,15 Bn | 2008 | 1,85 Bn | 2024 | 2,46 Bn |
| 1993 | 1,18 Bn | 2009 | 1,79 Bn | 2025 | 2,5 Bn |
| 1994 | 1,23 Bn | 2010 | 1,85 Bn | 2026 | 2,54 Bn |
| 1995 | 1,26 Bn | 2011 | 1,91 Bn | | |