Tableau de données
| 1980 | 1,11 Md | 1996 | 1,01 Md | 2012 | 2,33 Md |
| 1981 | 1,15 Md | 1997 | 1,13 Md | 2013 | 2,46 Md |
| 1982 | 1,22 Md | 1998 | 1,04 Md | 2014 | 2,71 Md |
| 1983 | 1,29 Md | 1999 | 999 M | 2015 | 3,1 Md |
| 1984 | 1,17 Md | 2000 | 989 M | 2016 | 2,96 Md |
| 1985 | 1,36 Md | 2001 | 983 M | 2017 | 3,17 Md |
| 1986 | 1,44 Md | 2002 | 907 M | 2018 | 3,04 Md |
| 1987 | 1,35 Md | 2003 | 844 M | 2019 | 3,01 Md |
| 1988 | 1,27 Md | 2004 | 952 M | 2020 | 3,09 Md |
| 1989 | 1,32 Md | 2005 | 1,12 Md | 2021 | 3,36 Md |
| 1990 | 1,32 Md | 2006 | 1,27 Md | 2022 | 3,92 Md |
| 1991 | 1,36 Md | 2007 | 1,36 Md | 2023 | 4,29 Md |
| 1992 | 1,26 Md | 2008 | 1,61 Md | 2024 | 4,84 Md |
| 1993 | 1,09 Md | 2009 | 1,78 Md | 2025 | 6,92 Md |
| 1994 | 1,08 Md | 2010 | 2,03 Md | 2026 | 8,14 Md |
| 1995 | 1,16 Md | 2011 | 2,24 Md | | |
Tableau de données
| 1980 | 99,6 Md | 1996 | 306 Md | 2012 | 3,37 Bn |
| 1981 | 104 Md | 1997 | 399 Md | 2013 | 3,81 Bn |
| 1982 | 109 Md | 1998 | 465 Md | 2014 | 4,18 Bn |
| 1983 | 120 Md | 1999 | 563 Md | 2015 | 4,88 Bn |
| 1984 | 140 Md | 2000 | 713 Md | 2016 | 4,9 Bn |
| 1985 | 164 Md | 2001 | 816 Md | 2017 | 5,49 Bn |
| 1986 | 164 Md | 2002 | 844 Md | 2018 | 5,41 Bn |
| 1987 | 167 Md | 2003 | 914 Md | 2019 | 5,55 Bn |
| 1988 | 178 Md | 2004 | 1,05 Bn | 2020 | 5,92 Bn |
| 1989 | 209 Md | 2005 | 1,21 Bn | 2021 | 6,62 Bn |
| 1990 | 225 Md | 2006 | 1,31 Bn | 2022 | 7,98 Bn |
| 1991 | 247 Md | 2007 | 1,47 Bn | 2023 | 10,9 Bn |
| 1992 | 262 Md | 2008 | 1,91 Bn | 2024 | 13,95 Bn |
| 1993 | 265 Md | 2009 | 2,18 Bn | 2025 | 20,36 Bn |
| 1994 | 272 Md | 2010 | 2,5 Bn | 2026 | 24,42 Bn |
| 1995 | 291 Md | 2011 | 2,82 Bn | | |
Tableau de données
| 1980 | 766 Md | 1996 | 966 Md | 2012 | 1,64 Bn |
| 1981 | 859 Md | 1997 | 970 Md | 2013 | 1,72 Bn |
| 1982 | 850 Md | 1998 | 1,02 Bn | 2014 | 1,79 Bn |
| 1983 | 881 Md | 1999 | 1,03 Bn | 2015 | 1,72 Bn |
| 1984 | 883 Md | 2000 | 1,05 Bn | 2016 | 1,71 Bn |
| 1985 | 987 Md | 2001 | 1,06 Bn | 2017 | 1,72 Bn |
| 1986 | 1,02 Bn | 2002 | 1,09 Bn | 2018 | 1,75 Bn |
| 1987 | 1,07 Bn | 2003 | 1,12 Bn | 2019 | 1,78 Bn |
| 1988 | 1,13 Bn | 2004 | 1,16 Bn | 2020 | 1,79 Bn |
| 1989 | 1,14 Bn | 2005 | 1,21 Bn | 2021 | 1,84 Bn |
| 1990 | 1,18 Bn | 2006 | 1,27 Bn | 2022 | 1,88 Bn |
| 1991 | 1,25 Bn | 2007 | 1,32 Bn | 2023 | 1,93 Bn |
| 1992 | 1,26 Bn | 2008 | 1,38 Bn | 2024 | 2,01 Bn |
| 1993 | 1,19 Bn | 2009 | 1,43 Bn | 2025 | 2,08 Bn |
| 1994 | 1,14 Bn | 2010 | 1,51 Bn | 2026 | 2,16 Bn |
| 1995 | 1,05 Bn | 2011 | 1,57 Bn | | |