Tableau de données
| 1980 | 7,49 Md | 1996 | 7,71 Md | 2012 | 30,9 Md |
| 1981 | 12,1 Md | 1997 | 8,41 Md | 2013 | 32,3 Md |
| 1982 | 8,41 Md | 1998 | 8,23 Md | 2014 | 34,8 Md |
| 1983 | 9,62 Md | 1999 | 7,82 Md | 2015 | 30,1 Md |
| 1984 | 7,4 Md | 2000 | 7,76 Md | 2016 | 30,2 Md |
| 1985 | 6,77 Md | 2001 | 7,84 Md | 2017 | 31,6 Md |
| 1986 | 6,75 Md | 2002 | 8,43 Md | 2018 | 34,1 Md |
| 1987 | 10,9 Md | 2003 | 8,73 Md | 2019 | 37,9 Md |
| 1988 | 11,3 Md | 2004 | 10,8 Md | 2020 | 37,9 Md |
| 1989 | 9,14 Md | 2005 | 12,5 Md | 2021 | 42,8 Md |
| 1990 | 7,45 Md | 2006 | 14,1 Md | 2022 | 47,3 Md |
| 1991 | 3,9 Md | 2007 | 17,5 Md | 2023 | 52 Md |
| 1992 | 3,65 Md | 2008 | 22,4 Md | 2024 | 57,1 Md |
| 1993 | 4,31 Md | 2009 | 24,1 Md | 2025 | 66 Md |
| 1994 | 6,24 Md | 2010 | 24,7 Md | 2026 | 73,4 Md |
| 1995 | 7,47 Md | 2011 | 27,5 Md | | |
Tableau de données
| 1980 | 2,25 Md | 1996 | 8,07 Bn | 2012 | 77,49 Bn |
| 1981 | 3,64 Md | 1997 | 9,11 Bn | 2013 | 83,64 Bn |
| 1982 | 5,89 Md | 1998 | 10,21 Bn | 2014 | 90,35 Bn |
| 1983 | 8,66 Md | 1999 | 11,38 Bn | 2015 | 97,61 Bn |
| 1984 | 17 Md | 2000 | 12,75 Bn | 2016 | 103,4 Bn |
| 1985 | 34,5 Md | 2001 | 13,76 Bn | 2017 | 114,08 Bn |
| 1986 | 73,5 Md | 2002 | 15,14 Bn | 2018 | 126,94 Bn |
| 1987 | 215 Md | 2003 | 17,13 Bn | 2019 | 140,09 Bn |
| 1988 | 676 Md | 2004 | 19,46 Bn | 2020 | 141,16 Bn |
| 1989 | 1,55 Bn | 2005 | 22,19 Bn | 2021 | 153,55 Bn |
| 1990 | 2,38 Bn | 2006 | 25,79 Bn | 2022 | 174,43 Bn |
| 1991 | 2,86 Bn | 2007 | 30,18 Bn | 2023 | 193,9 Bn |
| 1992 | 4,13 Bn | 2008 | 38,57 Bn | 2024 | 214,92 Bn |
| 1993 | 5,15 Bn | 2009 | 48,95 Bn | 2025 | 238,2 Bn |
| 1994 | 6,11 Bn | 2010 | 53,75 Bn | 2026 | 268,98 Bn |
| 1995 | 7,24 Bn | 2011 | 69,38 Bn | | |
Tableau de données
| 1980 | 14,68 Bn | 1996 | 30,23 Bn | 2012 | 88,54 Bn |
| 1981 | 15,25 Bn | 1997 | 31,62 Bn | 2013 | 92,03 Bn |
| 1982 | 16,5 Bn | 1998 | 33,54 Bn | 2014 | 97,32 Bn |
| 1983 | 17,31 Bn | 1999 | 36,21 Bn | 2015 | 105,11 Bn |
| 1984 | 16,79 Bn | 2000 | 37,64 Bn | 2016 | 105,28 Bn |
| 1985 | 16,29 Bn | 2001 | 40,94 Bn | 2017 | 112,44 Bn |
| 1986 | 16,44 Bn | 2002 | 43,83 Bn | 2018 | 118,7 Bn |
| 1987 | 17,1 Bn | 2003 | 46,53 Bn | 2019 | 127,75 Bn |
| 1988 | 18,52 Bn | 2004 | 49,23 Bn | 2020 | 126,28 Bn |
| 1989 | 19,7 Bn | 2005 | 54,15 Bn | 2021 | 133,25 Bn |
| 1990 | 20,98 Bn | 2006 | 57,97 Bn | 2022 | 141,48 Bn |
| 1991 | 21,36 Bn | 2007 | 62,65 Bn | 2023 | 148,56 Bn |
| 1992 | 22,61 Bn | 2008 | 69,18 Bn | 2024 | 157,48 Bn |
| 1993 | 24,12 Bn | 2009 | 74,76 Bn | 2025 | 168,07 Bn |
| 1994 | 25,97 Bn | 2010 | 80,36 Bn | 2026 | 180,68 Bn |
| 1995 | 28,36 Bn | 2011 | 86,52 Bn | | |