Tableau de données
| 1980 | 4,02 Md | 1996 | 12,8 Md | 2012 | 44 Md |
| 1981 | 3,84 Md | 1997 | 15,5 Md | 2013 | 46,9 Md |
| 1982 | 2,62 Md | 1998 | 17,1 Md | 2014 | 48,1 Md |
| 1983 | 3,61 Md | 1999 | 17,2 Md | 2015 | 49,9 Md |
| 1984 | 4,27 Md | 2000 | 17 Md | 2016 | 50,6 Md |
| 1985 | 3,57 Md | 2001 | 17,4 Md | 2017 | 52,9 Md |
| 1986 | 2,78 Md | 2002 | 18,8 Md | 2018 | 55,3 Md |
| 1987 | 3,25 Md | 2003 | 19,5 Md | 2019 | 51 Md |
| 1988 | 3,27 Md | 2004 | 21,2 Md | 2020 | 23,6 Md |
| 1989 | 2,68 Md | 2005 | 21,5 Md | 2021 | 20,5 Md |
| 1990 | 2,8 Md | 2006 | 22 Md | 2022 | 25,7 Md |
| 1991 | 4,39 Md | 2007 | 24,8 Md | 2023 | 24,5 Md |
| 1992 | 5,47 Md | 2008 | 29,1 Md | 2024 | 29,3 Md |
| 1993 | 7,44 Md | 2009 | 35,4 Md | 2025 | 34,5 Md |
| 1994 | 8,99 Md | 2010 | 38,4 Md | | |
| 1995 | 11 Md | 2011 | 39,9 Md | | |
Tableau de données
| 1980 | 13,8 Md | 1996 | 20,15 Bn | 2012 | 66,35 Bn |
| 1981 | 16,6 Md | 1997 | 23,92 Bn | 2013 | 70,65 Bn |
| 1982 | 12,4 Md | 1998 | 25,86 Bn | 2014 | 72,46 Bn |
| 1983 | 16,4 Md | 1999 | 25,89 Bn | 2015 | 75,21 Bn |
| 1984 | 27,8 Md | 2000 | 25,66 Bn | 2016 | 76,31 Bn |
| 1985 | 58,5 Md | 2001 | 26,17 Bn | 2017 | 79,72 Bn |
| 1986 | 107 Md | 2002 | 28,4 Bn | 2018 | 83,35 Bn |
| 1987 | 731 Md | 2003 | 29,38 Bn | 2019 | 80,36 Bn |
| 1988 | 1,34 Bn | 2004 | 31,9 Bn | 2020 | 91,67 Bn |
| 1989 | 1,33 Bn | 2005 | 32,41 Bn | 2021 | 254,76 Bn |
| 1990 | 1,95 Bn | 2006 | 33,2 Bn | 2022 | 685,95 Bn |
| 1991 | 4,08 Bn | 2007 | 37,43 Bn | 2023 | 2 133,16 Bn |
| 1992 | 9,37 Bn | 2008 | 43,9 Bn | 2024 | 2 627,28 Bn |
| 1993 | 12,95 Bn | 2009 | 53,37 Bn | 2025 | 3 087,58 Bn |
| 1994 | 15,1 Bn | 2010 | 57,95 Bn | | |
| 1995 | 17,79 Bn | 2011 | 60,19 Bn | | |
Tableau de données
| 1980 | 38,33 Bn | 1996 | 38,82 Bn | 2012 | 80,15 Bn |
| 1981 | 38,54 Bn | 1997 | 42,78 Bn | 2013 | 83,19 Bn |
| 1982 | 24,36 Bn | 1998 | 44,45 Bn | 2014 | 85,22 Bn |
| 1983 | 29,9 Bn | 1999 | 44,09 Bn | 2015 | 85,64 Bn |
| 1984 | 43,19 Bn | 2000 | 44,58 Bn | 2016 | 87,04 Bn |
| 1985 | 53,69 Bn | 2001 | 46,32 Bn | 2017 | 87,73 Bn |
| 1986 | 50,05 Bn | 2002 | 47,89 Bn | 2018 | 86,07 Bn |
| 1987 | 58,43 Bn | 2003 | 48,71 Bn | 2019 | 80,36 Bn |
| 1988 | 41,95 Bn | 2004 | 52,36 Bn | 2020 | 58,8 Bn |
| 1989 | 24,25 Bn | 2005 | 53,65 Bn | 2021 | 60,03 Bn |
| 1990 | 20,99 Bn | 2006 | 54,48 Bn | 2022 | 60,63 Bn |
| 1991 | 29,01 Bn | 2007 | 59,55 Bn | 2023 | 60,21 Bn |
| 1992 | 30,32 Bn | 2008 | 64,95 Bn | 2024 | 55,69 Bn |
| 1993 | 32,44 Bn | 2009 | 71,6 Bn | 2025 | 57,92 Bn |
| 1994 | 35,04 Bn | 2010 | 77,31 Bn | | |
| 1995 | 37,32 Bn | 2011 | 77,98 Bn | | |