Tableau de données
| 1980 | 23,1 Md | 1996 | 46,8 Md | 2012 | 128 Md |
| 1981 | 23,7 Md | 1997 | 47,4 Md | 2013 | 136 Md |
| 1982 | 24,1 Md | 1998 | 48,8 Md | 2014 | 141 Md |
| 1983 | 21,9 Md | 1999 | 49,2 Md | 2015 | 125 Md |
| 1984 | 21,2 Md | 2000 | 47,3 Md | 2016 | 129 Md |
| 1985 | 21,5 Md | 2001 | 53,8 Md | 2017 | 143 Md |
| 1986 | 24,8 Md | 2002 | 67,6 Md | 2018 | 161 Md |
| 1987 | 27,2 Md | 2003 | 85,2 Md | 2019 | 165 Md |
| 1988 | 29,8 Md | 2004 | 104 Md | 2020 | 158 Md |
| 1989 | 30,4 Md | 2005 | 113 Md | 2021 | 183 Md |
| 1990 | 34,5 Md | 2006 | 116 Md | 2022 | 178 Md |
| 1991 | 34,9 Md | 2007 | 140 Md | 2023 | 213 Md |
| 1992 | 38,9 Md | 2008 | 158 Md | 2024 | 223 Md |
| 1993 | 40,3 Md | 2009 | 131 Md | 2025 | 247 Md |
| 1994 | 43,3 Md | 2010 | 132 Md | 2026 | 271 Md |
| 1995 | 46,6 Md | 2011 | 142 Md | | |
Tableau de données
| 1980 | 752 Md | 1996 | 7,15 Bn | 2012 | 28,92 Bn |
| 1981 | 813 Md | 1997 | 8,85 Bn | 2013 | 30,34 Bn |
| 1982 | 884 Md | 1998 | 10,46 Bn | 2014 | 32,83 Bn |
| 1983 | 935 Md | 1999 | 11,66 Bn | 2015 | 34,98 Bn |
| 1984 | 1,02 Bn | 2000 | 13,34 Bn | 2016 | 36,31 Bn |
| 1985 | 1,08 Bn | 2001 | 15,41 Bn | 2017 | 39,34 Bn |
| 1986 | 1,14 Bn | 2002 | 17,44 Bn | 2018 | 43,55 Bn |
| 1987 | 1,28 Bn | 2003 | 19,11 Bn | 2019 | 47,94 Bn |
| 1988 | 1,5 Bn | 2004 | 21,09 Bn | 2020 | 48,81 Bn |
| 1989 | 1,8 Bn | 2005 | 22,57 Bn | 2021 | 55,56 Bn |
| 1990 | 2,18 Bn | 2006 | 24,32 Bn | 2022 | 65,95 Bn |
| 1991 | 2,61 Bn | 2007 | 25,73 Bn | 2023 | 75,29 Bn |
| 1992 | 3,07 Bn | 2008 | 27,23 Bn | 2024 | 81,45 Bn |
| 1993 | 3,7 Bn | 2009 | 26,47 Bn | 2025 | 86,45 Bn |
| 1994 | 4,55 Bn | 2010 | 27,43 Bn | 2026 | 90,91 Bn |
| 1995 | 5,86 Bn | 2011 | 28,49 Bn | | |
Tableau de données
| 1980 | 28,97 Bn | 1996 | 29,11 Bn | 2012 | 41,47 Bn |
| 1981 | 29,8 Bn | 1997 | 29,98 Bn | 2013 | 42,31 Bn |
| 1982 | 30,64 Bn | 1998 | 31,13 Bn | 2014 | 44,15 Bn |
| 1983 | 30,87 Bn | 1999 | 32,09 Bn | 2015 | 45,76 Bn |
| 1984 | 31,69 Bn | 2000 | 33,5 Bn | 2016 | 46,88 Bn |
| 1985 | 31,61 Bn | 2001 | 34,87 Bn | 2017 | 48,81 Bn |
| 1986 | 32,09 Bn | 2002 | 36,51 Bn | 2018 | 51,55 Bn |
| 1987 | 33,39 Bn | 2003 | 37,95 Bn | 2019 | 54,17 Bn |
| 1988 | 33,37 Bn | 2004 | 39,84 Bn | 2020 | 51,82 Bn |
| 1989 | 33,62 Bn | 2005 | 41,55 Bn | 2021 | 55,56 Bn |
| 1990 | 32,44 Bn | 2006 | 43,18 Bn | 2022 | 57,87 Bn |
| 1991 | 28,58 Bn | 2007 | 43,33 Bn | 2023 | 57,39 Bn |
| 1992 | 27,71 Bn | 2008 | 43,76 Bn | 2024 | 57,72 Bn |
| 1993 | 27,55 Bn | 2009 | 40,81 Bn | 2025 | 57,95 Bn |
| 1994 | 28,36 Bn | 2010 | 41,24 Bn | 2026 | 58,92 Bn |
| 1995 | 29,08 Bn | 2011 | 42,03 Bn | | |