Tableau de données
| 1980 | 4,85 Md | 1996 | 11,7 Md | 2012 | 47,2 Md |
| 1981 | 2,64 Md | 1997 | 12,6 Md | 2013 | 50,9 Md |
| 1982 | 2,62 Md | 1998 | 13,7 Md | 2014 | 52 Md |
| 1983 | 3,16 Md | 1999 | 14,3 Md | 2015 | 56,4 Md |
| 1984 | 3,68 Md | 2000 | 15 Md | 2016 | 58,8 Md |
| 1985 | 3,94 Md | 2001 | 16 Md | 2017 | 60,5 Md |
| 1986 | 4,43 Md | 2002 | 16,6 Md | 2018 | 62,6 Md |
| 1987 | 4,55 Md | 2003 | 17,3 Md | 2019 | 64,7 Md |
| 1988 | 4,64 Md | 2004 | 18,6 Md | 2020 | 62,8 Md |
| 1989 | 5,25 Md | 2005 | 20 Md | 2021 | 65,6 Md |
| 1990 | 5,74 Md | 2006 | 22,7 Md | 2022 | 71 Md |
| 1991 | 7,2 Md | 2007 | 26,9 Md | 2023 | 87,5 Md |
| 1992 | 8,57 Md | 2008 | 30,8 Md | 2024 | 96,7 Md |
| 1993 | 9,59 Md | 2009 | 30,7 Md | 2025 | 103 Md |
| 1994 | 10,5 Md | 2010 | 37,7 Md | 2026 | 110 Md |
| 1995 | 11,6 Md | 2011 | 42,8 Md | | |
Tableau de données
| 1980 | 41,6 Md | 1996 | 2,43 Bn | 2012 | 23,75 Bn |
| 1981 | 57,4 Md | 1997 | 2,93 Bn | 2013 | 25,46 Bn |
| 1982 | 98 Md | 1998 | 3,52 Bn | 2014 | 28 Bn |
| 1983 | 130 Md | 1999 | 4,07 Bn | 2015 | 30,17 Bn |
| 1984 | 164 Md | 2000 | 4,63 Bn | 2016 | 32,06 Bn |
| 1985 | 199 Md | 2001 | 5,25 Bn | 2017 | 34,34 Bn |
| 1986 | 248 Md | 2002 | 5,97 Bn | 2018 | 36,1 Bn |
| 1987 | 286 Md | 2003 | 6,89 Bn | 2019 | 38,03 Bn |
| 1988 | 351 Md | 2004 | 8,15 Bn | 2020 | 36,74 Bn |
| 1989 | 428 Md | 2005 | 9,58 Bn | 2021 | 40,72 Bn |
| 1990 | 525 Md | 2006 | 11,61 Bn | 2022 | 45,95 Bn |
| 1991 | 881 Md | 2007 | 13,89 Bn | 2023 | 47,61 Bn |
| 1992 | 1,15 Bn | 2008 | 16,21 Bn | 2024 | 49,82 Bn |
| 1993 | 1,36 Bn | 2009 | 17,63 Bn | 2025 | 51,81 Bn |
| 1994 | 1,65 Bn | 2010 | 19,8 Bn | 2026 | 54,23 Bn |
| 1995 | 2,08 Bn | 2011 | 21,62 Bn | | |
Tableau de données
| 1980 | 9,65 Bn | 1996 | 16,17 Bn | 2012 | 33,3 Bn |
| 1981 | 9,43 Bn | 1997 | 17,06 Bn | 2013 | 34,13 Bn |
| 1982 | 8,75 Bn | 1998 | 18,26 Bn | 2014 | 35,34 Bn |
| 1983 | 9 Bn | 1999 | 19,02 Bn | 2015 | 36,63 Bn |
| 1984 | 9,72 Bn | 2000 | 19,75 Bn | 2016 | 38,17 Bn |
| 1985 | 9,79 Bn | 2001 | 20,43 Bn | 2017 | 39,76 Bn |
| 1986 | 10,33 Bn | 2002 | 21,13 Bn | 2018 | 40,89 Bn |
| 1987 | 10,82 Bn | 2003 | 22,05 Bn | 2019 | 42 Bn |
| 1988 | 11,19 Bn | 2004 | 23,02 Bn | 2020 | 40,26 Bn |
| 1989 | 11,83 Bn | 2005 | 23,94 Bn | 2021 | 43,57 Bn |
| 1990 | 12,25 Bn | 2006 | 25,69 Bn | 2022 | 45,95 Bn |
| 1991 | 12,53 Bn | 2007 | 27,8 Bn | 2023 | 48,15 Bn |
| 1992 | 13,68 Bn | 2008 | 29,12 Bn | 2024 | 50,12 Bn |
| 1993 | 14,66 Bn | 2009 | 28,86 Bn | 2025 | 52,4 Bn |
| 1994 | 15,32 Bn | 2010 | 30,41 Bn | 2026 | 54,27 Bn |
| 1995 | 15,95 Bn | 2011 | 31,75 Bn | | |