Tableau de données
| 1980 | 4,1 Md | 1996 | 9,79 Md | 2012 | 33,3 Md |
| 1981 | 5,22 Md | 1997 | 9,97 Md | 2013 | 38,7 Md |
| 1982 | 5,47 Md | 1998 | 9,26 Md | 2014 | 40,4 Md |
| 1983 | 6,07 Md | 1999 | 8,84 Md | 2015 | 36,2 Md |
| 1984 | 4,93 Md | 2000 | 8,86 Md | 2016 | 36,1 Md |
| 1985 | 4,21 Md | 2001 | 8,5 Md | 2017 | 39 Md |
| 1986 | 5,03 Md | 2002 | 7,2 Md | 2018 | 40,2 Md |
| 1987 | 4,22 Md | 2003 | 7,69 Md | 2019 | 37,9 Md |
| 1988 | 5,58 Md | 2004 | 9,62 Md | 2020 | 35,4 Md |
| 1989 | 4,05 Md | 2005 | 10,7 Md | 2021 | 39,9 Md |
| 1990 | 4,9 Md | 2006 | 13,4 Md | 2022 | 41,8 Md |
| 1991 | 6,98 Md | 2007 | 17,9 Md | 2023 | 43,1 Md |
| 1992 | 7,16 Md | 2008 | 24,6 Md | 2024 | 44,7 Md |
| 1993 | 7,25 Md | 2009 | 22,4 Md | 2025 | 49,4 Md |
| 1994 | 7,87 Md | 2010 | 27,1 Md | 2026 | 60,5 Md |
| 1995 | 9,06 Md | 2011 | 33,7 Md | | |
Tableau de données
| 1980 | 516 Md | 1996 | 20,13 Bn | 2012 | 147,23 Bn |
| 1981 | 658 Md | 1997 | 21,7 Bn | 2013 | 166,35 Bn |
| 1982 | 689 Md | 1998 | 25,25 Bn | 2014 | 180,17 Bn |
| 1983 | 765 Md | 1999 | 27,56 Bn | 2015 | 188,48 Bn |
| 1984 | 991 Md | 2000 | 30,87 Bn | 2016 | 204,65 Bn |
| 1985 | 1,29 Bn | 2001 | 34,88 Bn | 2017 | 219,12 Bn |
| 1986 | 1,71 Bn | 2002 | 41,14 Bn | 2018 | 230,58 Bn |
| 1987 | 2,32 Bn | 2003 | 49,41 Bn | 2019 | 236,68 Bn |
| 1988 | 3,07 Bn | 2004 | 57,5 Bn | 2020 | 239,91 Bn |
| 1989 | 4,27 Bn | 2005 | 66,34 Bn | 2021 | 270,54 Bn |
| 1990 | 6,03 Bn | 2006 | 75,68 Bn | 2022 | 292,17 Bn |
| 1991 | 9,26 Bn | 2007 | 89,87 Bn | 2023 | 314,45 Bn |
| 1992 | 10,74 Bn | 2008 | 107,4 Bn | 2024 | 338,24 Bn |
| 1993 | 12,65 Bn | 2009 | 111,03 Bn | 2025 | 372,43 Bn |
| 1994 | 14,99 Bn | 2010 | 129,09 Bn | 2026 | 400,3 Bn |
| 1995 | 17,79 Bn | 2011 | 141,49 Bn | | |
Tableau de données
| 1980 | 61,86 Bn | 1996 | 105,93 Bn | 2012 | 158 Bn |
| 1981 | 67,54 Bn | 1997 | 110,42 Bn | 2013 | 171,1 Bn |
| 1982 | 66,59 Bn | 1998 | 110,5 Bn | 2014 | 180,17 Bn |
| 1983 | 64,57 Bn | 1999 | 108,99 Bn | 2015 | 185,5 Bn |
| 1984 | 66,38 Bn | 2000 | 106,47 Bn | 2016 | 193,42 Bn |
| 1985 | 68,95 Bn | 2001 | 105,58 Bn | 2017 | 202,72 Bn |
| 1986 | 69,14 Bn | 2002 | 105,56 Bn | 2018 | 209,22 Bn |
| 1987 | 71,95 Bn | 2003 | 110,12 Bn | 2019 | 208,38 Bn |
| 1988 | 76,18 Bn | 2004 | 114,59 Bn | 2020 | 206,67 Bn |
| 1989 | 80,61 Bn | 2005 | 117,03 Bn | 2021 | 214,93 Bn |
| 1990 | 83,94 Bn | 2006 | 122,66 Bn | 2022 | 214,87 Bn |
| 1991 | 86,86 Bn | 2007 | 129,31 Bn | 2023 | 226,22 Bn |
| 1992 | 88,34 Bn | 2008 | 137,71 Bn | 2024 | 236,79 Bn |
| 1993 | 92,7 Bn | 2009 | 137,35 Bn | 2025 | 250,99 Bn |
| 1994 | 97,63 Bn | 2010 | 152,59 Bn | 2026 | 261,53 Bn |
| 1995 | 104,29 Bn | 2011 | 159,13 Bn | | |