Tableau de données
| 1980 | 10,9 Md | 1996 | 7,89 Md | 2012 | 39,7 Md |
| 1981 | 13 Md | 1997 | 9,34 Md | 2013 | 45,7 Md |
| 1982 | 14,9 Md | 1998 | 11,5 Md | 2014 | 50 Md |
| 1983 | 15,3 Md | 1999 | 11,8 Md | 2015 | 47,4 Md |
| 1984 | 13,9 Md | 2000 | 12,4 Md | 2016 | 49,8 Md |
| 1985 | 12,6 Md | 2001 | 12,6 Md | 2017 | 54 Md |
| 1986 | 15,9 Md | 2002 | 13,1 Md | 2018 | 54,8 Md |
| 1987 | 7,82 Md | 2003 | 14,2 Md | 2019 | 58,8 Md |
| 1988 | 7,47 Md | 2004 | 15,6 Md | 2020 | 63,4 Md |
| 1989 | 6,44 Md | 2005 | 17,2 Md | 2021 | 68 Md |
| 1990 | 5,17 Md | 2006 | 18,9 Md | 2022 | 74,2 Md |
| 1991 | 6,02 Md | 2007 | 21,8 Md | 2023 | 78,4 Md |
| 1992 | 5,59 Md | 2008 | 27,8 Md | 2024 | 79,2 Md |
| 1993 | 5,17 Md | 2009 | 29,3 Md | 2025 | 87,3 Md |
| 1994 | 5,48 Md | 2010 | 31,9 Md | 2026 | 94,9 Md |
| 1995 | 6,38 Md | 2011 | 34,4 Md | | |
Tableau de données
| 1980 | 89,3 Md | 1996 | 4,58 Bn | 2012 | 62,32 Bn |
| 1981 | 107 Md | 1997 | 5,72 Bn | 2013 | 72,98 Bn |
| 1982 | 129 Md | 1998 | 7,63 Bn | 2014 | 82,6 Bn |
| 1983 | 149 Md | 1999 | 8,77 Bn | 2015 | 94,35 Bn |
| 1984 | 176 Md | 2000 | 9,9 Bn | 2016 | 108,36 Bn |
| 1985 | 224 Md | 2001 | 11,05 Bn | 2017 | 120,36 Bn |
| 1986 | 296 Md | 2002 | 12,68 Bn | 2018 | 124 Bn |
| 1987 | 400 Md | 2003 | 14,7 Bn | 2019 | 134,54 Bn |
| 1988 | 615 Md | 2004 | 16,97 Bn | 2020 | 145,38 Bn |
| 1989 | 770 Md | 2005 | 19,39 Bn | 2021 | 156,17 Bn |
| 1990 | 1,01 Bn | 2006 | 23,63 Bn | 2022 | 170,82 Bn |
| 1991 | 1,32 Bn | 2007 | 27,16 Bn | 2023 | 186,75 Bn |
| 1992 | 1,66 Bn | 2008 | 33,24 Bn | 2024 | 205,85 Bn |
| 1993 | 2,1 Bn | 2009 | 38,27 Bn | 2025 | 227,89 Bn |
| 1994 | 2,79 Bn | 2010 | 44,47 Bn | 2026 | 252 Bn |
| 1995 | 3,67 Bn | 2011 | 53,52 Bn | | |
Tableau de données
| 1980 | 18,39 Bn | 1996 | 30,82 Bn | 2012 | 77,98 Bn |
| 1981 | 18,49 Bn | 1997 | 31,91 Bn | 2013 | 83,27 Bn |
| 1982 | 18,6 Bn | 1998 | 33,09 Bn | 2014 | 88,87 Bn |
| 1983 | 19,04 Bn | 1999 | 34,69 Bn | 2015 | 94,35 Bn |
| 1984 | 19,69 Bn | 2000 | 36,4 Bn | 2016 | 100,83 Bn |
| 1985 | 20,6 Bn | 2001 | 38,59 Bn | 2017 | 107,61 Bn |
| 1986 | 21,96 Bn | 2002 | 41,35 Bn | 2018 | 115,17 Bn |
| 1987 | 23,25 Bn | 2003 | 44,2 Bn | 2019 | 123,14 Bn |
| 1988 | 24,27 Bn | 2004 | 47,66 Bn | 2020 | 128,72 Bn |
| 1989 | 25,2 Bn | 2005 | 51,17 Bn | 2021 | 134,95 Bn |
| 1990 | 26,97 Bn | 2006 | 53,56 Bn | 2022 | 141,25 Bn |
| 1991 | 27,53 Bn | 2007 | 58,09 Bn | 2023 | 148,52 Bn |
| 1992 | 27,69 Bn | 2008 | 61,32 Bn | 2024 | 156,64 Bn |
| 1993 | 28,03 Bn | 2009 | 64,62 Bn | 2025 | 165,84 Bn |
| 1994 | 28,46 Bn | 2010 | 68,73 Bn | 2026 | 175,69 Bn |
| 1995 | 29,48 Bn | 2011 | 74,17 Bn | | |