Tableau de données
| 1980 | 186 Md | 1996 | 393 Md | 2012 | 1,82 Bn |
| 1981 | 193 Md | 1997 | 416 Md | 2013 | 1,85 Bn |
| 1982 | 200 Md | 1998 | 421 Md | 2014 | 2,02 Bn |
| 1983 | 218 Md | 1999 | 459 Md | 2015 | 2,08 Bn |
| 1984 | 212 Md | 2000 | 468 Md | 2016 | 2,26 Bn |
| 1985 | 234 Md | 2001 | 485 Md | 2017 | 2,61 Bn |
| 1986 | 248 Md | 2002 | 515 Md | 2018 | 2,65 Bn |
| 1987 | 279 Md | 2003 | 608 Md | 2019 | 2,78 Bn |
| 1988 | 294 Md | 2004 | 709 Md | 2020 | 2,61 Bn |
| 1989 | 296 Md | 2005 | 820 Md | 2021 | 3,08 Bn |
| 1990 | 321 Md | 2006 | 940 Md | 2022 | 3,25 Bn |
| 1991 | 270 Md | 2007 | 1,22 Bn | 2023 | 3,5 Bn |
| 1992 | 288 Md | 2008 | 1,2 Bn | 2024 | 3,76 Bn |
| 1993 | 279 Md | 2009 | 1,34 Bn | 2025 | 3,92 Bn |
| 1994 | 327 Md | 2010 | 1,68 Bn | 2026 | 4,15 Bn |
| 1995 | 360 Md | 2011 | 1,82 Bn | | |
Tableau de données
| 1980 | 1,47 Bn | 1996 | 13,95 Bn | 2012 | 99,18 Bn |
| 1981 | 1,73 Bn | 1997 | 15,45 Bn | 2013 | 111,75 Bn |
| 1982 | 1,93 Bn | 1998 | 17,72 Bn | 2014 | 123,7 Bn |
| 1983 | 2,25 Bn | 1999 | 19,88 Bn | 2015 | 136,28 Bn |
| 1984 | 2,52 Bn | 2000 | 21,4 Bn | 2016 | 151,91 Bn |
| 1985 | 2,85 Bn | 2001 | 23,15 Bn | 2017 | 168,22 Bn |
| 1986 | 3,18 Bn | 2002 | 24,93 Bn | 2018 | 185,54 Bn |
| 1987 | 3,62 Bn | 2003 | 27,93 Bn | 2019 | 196,83 Bn |
| 1988 | 4,29 Bn | 2004 | 31,86 Bn | 2020 | 193,87 Bn |
| 1989 | 4,93 Bn | 2005 | 36,32 Bn | 2021 | 229,81 Bn |
| 1990 | 5,76 Bn | 2006 | 42,55 Bn | 2022 | 261,18 Bn |
| 1991 | 6,62 Bn | 2007 | 48,99 Bn | 2023 | 289,84 Bn |
| 1992 | 7,61 Bn | 2008 | 55,14 Bn | 2024 | 318,07 Bn |
| 1993 | 8,76 Bn | 2009 | 63,66 Bn | 2025 | 346,51 Bn |
| 1994 | 10,28 Bn | 2010 | 76,34 Bn | 2026 | 384,53 Bn |
| 1995 | 12,06 Bn | 2011 | 87,36 Bn | | |
Tableau de données
| 1980 | 23,66 Bn | 1996 | 55,98 Bn | 2012 | 148,85 Bn |
| 1981 | 25,08 Bn | 1997 | 58,25 Bn | 2013 | 158,36 Bn |
| 1982 | 25,95 Bn | 1998 | 61,85 Bn | 2014 | 170,1 Bn |
| 1983 | 27,84 Bn | 1999 | 67,32 Bn | 2015 | 183,7 Bn |
| 1984 | 28,91 Bn | 2000 | 69,91 Bn | 2016 | 198,86 Bn |
| 1985 | 30,43 Bn | 2001 | 73,28 Bn | 2017 | 212,38 Bn |
| 1986 | 31,88 Bn | 2002 | 76,07 Bn | 2018 | 226,08 Bn |
| 1987 | 33,15 Bn | 2003 | 82,05 Bn | 2019 | 234,84 Bn |
| 1988 | 36,34 Bn | 2004 | 88,55 Bn | 2020 | 221,27 Bn |
| 1989 | 38,5 Bn | 2005 | 95,56 Bn | 2021 | 242,71 Bn |
| 1990 | 40,63 Bn | 2006 | 103,27 Bn | 2022 | 261,18 Bn |
| 1991 | 41,06 Bn | 2007 | 111,18 Bn | 2023 | 280,01 Bn |
| 1992 | 43,31 Bn | 2008 | 114,61 Bn | 2024 | 299,89 Bn |
| 1993 | 45,37 Bn | 2009 | 123,62 Bn | 2025 | 322,73 Bn |
| 1994 | 48,39 Bn | 2010 | 134,12 Bn | 2026 | 343,64 Bn |
| 1995 | 52,05 Bn | 2011 | 141,15 Bn | | |