Tableau de données
| 1980 | 242 Md | 1996 | 432 Md | 2012 | 1,26 Bn |
| 1981 | 311 Md | 1997 | 523 Md | 2013 | 1,33 Bn |
| 1982 | 226 Md | 1998 | 557 Md | 2014 | 1,36 Bn |
| 1983 | 184 Md | 1999 | 631 Md | 2015 | 1,21 Bn |
| 1984 | 217 Md | 2000 | 742 Md | 2016 | 1,11 Bn |
| 1985 | 230 Md | 2001 | 796 Md | 2017 | 1,19 Bn |
| 1986 | 159 Md | 2002 | 811 Md | 2018 | 1,26 Bn |
| 1987 | 175 Md | 2003 | 766 Md | 2019 | 1,3 Bn |
| 1988 | 214 Md | 2004 | 819 Md | 2020 | 1,12 Bn |
| 1989 | 261 Md | 2005 | 918 Md | 2021 | 1,32 Bn |
| 1990 | 308 Md | 2006 | 1,02 Bn | 2022 | 1,47 Bn |
| 1991 | 369 Md | 2007 | 1,1 Bn | 2023 | 1,79 Bn |
| 1992 | 428 Md | 2008 | 1,16 Bn | 2024 | 1,83 Bn |
| 1993 | 530 Md | 2009 | 943 Md | 2025 | 1,83 Bn |
| 1994 | 554 Md | 2010 | 1,11 Bn | 2026 | 2,12 Bn |
| 1995 | 380 Md | 2011 | 1,23 Bn | | |
Tableau de données
| 1980 | 5,56 Md | 1996 | 3,28 Bn | 2012 | 16,53 Bn |
| 1981 | 7,62 Md | 1997 | 4,14 Bn | 2013 | 16,95 Bn |
| 1982 | 12,3 Md | 1998 | 5,09 Bn | 2014 | 18,14 Bn |
| 1983 | 22,1 Md | 1999 | 6,03 Bn | 2015 | 19,23 Bn |
| 1984 | 36,4 Md | 2000 | 7,02 Bn | 2016 | 20,76 Bn |
| 1985 | 59,1 Md | 2001 | 7,44 Bn | 2017 | 22,54 Bn |
| 1986 | 96,9 Md | 2002 | 7,83 Bn | 2018 | 24,18 Bn |
| 1987 | 239 Md | 2003 | 8,26 Bn | 2019 | 25,12 Bn |
| 1988 | 486 Md | 2004 | 9,25 Bn | 2020 | 24,09 Bn |
| 1989 | 642 Md | 2005 | 10 Bn | 2021 | 26,69 Bn |
| 1990 | 865 Md | 2006 | 11,12 Bn | 2022 | 29,53 Bn |
| 1991 | 1,11 Bn | 2007 | 12,05 Bn | 2023 | 31,87 Bn |
| 1992 | 1,32 Bn | 2008 | 12,93 Bn | 2024 | 33,51 Bn |
| 1993 | 1,65 Bn | 2009 | 12,75 Bn | 2025 | 35,26 Bn |
| 1994 | 1,87 Bn | 2010 | 13,97 Bn | 2026 | 37,62 Bn |
| 1995 | 2,44 Bn | 2011 | 15,27 Bn | | |
Tableau de données
| 1980 | 10,52 Bn | 1996 | 14,5 Bn | 2012 | 21,54 Bn |
| 1981 | 11,52 Bn | 1997 | 15,54 Bn | 2013 | 21,72 Bn |
| 1982 | 11,52 Bn | 1998 | 16,5 Bn | 2014 | 22,27 Bn |
| 1983 | 10,99 Bn | 1999 | 16,96 Bn | 2015 | 22,87 Bn |
| 1984 | 11,37 Bn | 2000 | 17,81 Bn | 2016 | 23,27 Bn |
| 1985 | 11,59 Bn | 2001 | 17,73 Bn | 2017 | 23,71 Bn |
| 1986 | 11,13 Bn | 2002 | 17,69 Bn | 2018 | 24,18 Bn |
| 1987 | 11,36 Bn | 2003 | 17,9 Bn | 2019 | 24,08 Bn |
| 1988 | 11,5 Bn | 2004 | 18,54 Bn | 2020 | 22,07 Bn |
| 1989 | 11,92 Bn | 2005 | 18,93 Bn | 2021 | 23,4 Bn |
| 1990 | 12,55 Bn | 2006 | 19,84 Bn | 2022 | 24,27 Bn |
| 1991 | 13,04 Bn | 2007 | 20,25 Bn | 2023 | 25,03 Bn |
| 1992 | 13,51 Bn | 2008 | 20,44 Bn | 2024 | 25,37 Bn |
| 1993 | 13,9 Bn | 2009 | 19,16 Bn | 2025 | 25,51 Bn |
| 1994 | 14,51 Bn | 2010 | 20,11 Bn | 2026 | 25,93 Bn |
| 1995 | 13,65 Bn | 2011 | 20,8 Bn | | |