Tableau de données
| 1980 | 2,4 Md | 1996 | 5,32 Md | 2012 | 7,39 Md |
| 1981 | 2,38 Md | 1997 | 5,21 Md | 2013 | 8,38 Md |
| 1982 | 2,34 Md | 1998 | 5 Md | 2014 | 8,78 Md |
| 1983 | 2,28 Md | 1999 | 4,8 Md | 2015 | 8,79 Md |
| 1984 | 2,33 Md | 2000 | 4,04 Md | 2016 | 8,6 Md |
| 1985 | 2,47 Md | 2001 | 3,81 Md | 2017 | 10,3 Md |
| 1986 | 2,68 Md | 2002 | 4,02 Md | 2018 | 11,9 Md |
| 1987 | 2,84 Md | 2003 | 4,76 Md | 2019 | 13,4 Md |
| 1988 | 3,32 Md | 2004 | 5,01 Md | 2020 | 14,1 Md |
| 1989 | 3,38 Md | 2005 | 4,51 Md | 2021 | 16,3 Md |
| 1990 | 3,71 Md | 2006 | 4,18 Md | 2022 | 19,6 Md |
| 1991 | 4,2 Md | 2007 | 6,32 Md | 2023 | 22,1 Md |
| 1992 | 4,57 Md | 2008 | 6,97 Md | 2024 | 24,2 Md |
| 1993 | 4,56 Md | 2009 | 6,75 Md | 2025 | 27,2 Md |
| 1994 | 4,71 Md | 2010 | 6,86 Md | 2026 | 29,9 Md |
| 1995 | 5,14 Md | 2011 | 6,78 Md | | |
Tableau de données
| 1980 | 176 Md | 1996 | 5,34 Bn | 2012 | 51,61 Bn |
| 1981 | 193 Md | 1997 | 5,71 Bn | 2013 | 57,86 Bn |
| 1982 | 255 Md | 1998 | 6,19 Bn | 2014 | 61,57 Bn |
| 1983 | 333 Md | 1999 | 6,66 Bn | 2015 | 65,83 Bn |
| 1984 | 423 Md | 2000 | 7,06 Bn | 2016 | 77,09 Bn |
| 1985 | 529 Md | 2001 | 7,42 Bn | 2017 | 93,83 Bn |
| 1986 | 926 Md | 2002 | 7,95 Bn | 2018 | 106,85 Bn |
| 1987 | 1,22 Bn | 2003 | 9,45 Bn | 2019 | 123,46 Bn |
| 1988 | 1,57 Bn | 2004 | 11,25 Bn | 2020 | 134,76 Bn |
| 1989 | 2 Bn | 2005 | 16,42 Bn | 2021 | 159,34 Bn |
| 1990 | 2,45 Bn | 2006 | 21,73 Bn | 2022 | 170,31 Bn |
| 1991 | 3,16 Bn | 2007 | 26,37 Bn | 2023 | 191,16 Bn |
| 1992 | 4,12 Bn | 2008 | 32,05 Bn | 2024 | 208,85 Bn |
| 1993 | 4,36 Bn | 2009 | 32,25 Bn | 2025 | 233,87 Bn |
| 1994 | 4,6 Bn | 2010 | 39,24 Bn | 2026 | 265,91 Bn |
| 1995 | 5,1 Bn | 2011 | 45,18 Bn | | |
Tableau de données
| 1980 | 14,52 Bn | 1996 | 24,92 Bn | 2012 | 43,9 Bn |
| 1981 | 14,61 Bn | 1997 | 26,22 Bn | 2013 | 45,63 Bn |
| 1982 | 14,87 Bn | 1998 | 27,17 Bn | 2014 | 47,32 Bn |
| 1983 | 15,07 Bn | 1999 | 28,21 Bn | 2015 | 49,13 Bn |
| 1984 | 15,28 Bn | 2000 | 28,91 Bn | 2016 | 54,44 Bn |
| 1985 | 16,04 Bn | 2001 | 29,97 Bn | 2017 | 60,05 Bn |
| 1986 | 16,54 Bn | 2002 | 31,52 Bn | 2018 | 63,87 Bn |
| 1987 | 17,09 Bn | 2003 | 31,91 Bn | 2019 | 67,46 Bn |
| 1988 | 18,17 Bn | 2004 | 32,66 Bn | 2020 | 70,63 Bn |
| 1989 | 18,89 Bn | 2005 | 33,64 Bn | 2021 | 74,57 Bn |
| 1990 | 19,71 Bn | 2006 | 34,48 Bn | 2022 | 77,53 Bn |
| 1991 | 20,2 Bn | 2007 | 36,72 Bn | 2023 | 82,37 Bn |
| 1992 | 20,86 Bn | 2008 | 38,24 Bn | 2024 | 87,38 Bn |
| 1993 | 21,92 Bn | 2009 | 37,66 Bn | 2025 | 93,22 Bn |
| 1994 | 22,79 Bn | 2010 | 39,24 Bn | 2026 | 101,31 Bn |
| 1995 | 23,86 Bn | 2011 | 41,45 Bn | | |