Tableau de données
| 1980 | 163 Md | 1996 | 425 Md | 2012 | 1,58 Bn |
| 1981 | 189 Md | 1997 | 427 Md | 2013 | 1,53 Bn |
| 1982 | 187 Md | 1998 | 382 Md | 2014 | 1,46 Bn |
| 1983 | 180 Md | 1999 | 413 Md | 2015 | 1,24 Bn |
| 1984 | 197 Md | 2000 | 401 Md | 2016 | 1,27 Bn |
| 1985 | 175 Md | 2001 | 379 Md | 2017 | 1,39 Bn |
| 1986 | 182 Md | 2002 | 426 Md | 2018 | 1,42 Bn |
| 1987 | 213 Md | 2003 | 542 Md | 2019 | 1,39 Bn |
| 1988 | 271 Md | 2004 | 660 Md | 2020 | 1,37 Bn |
| 1989 | 309 Md | 2005 | 738 Md | 2021 | 1,66 Bn |
| 1990 | 325 Md | 2006 | 785 Md | 2022 | 1,73 Bn |
| 1991 | 325 Md | 2007 | 952 Md | 2023 | 1,75 Bn |
| 1992 | 318 Md | 2008 | 1,06 Bn | 2024 | 1,8 Bn |
| 1993 | 310 Md | 2009 | 1 Bn | 2025 | 1,84 Bn |
| 1994 | 354 Md | 2010 | 1,26 Bn | 2026 | 2,12 Bn |
| 1995 | 380 Md | 2011 | 1,52 Bn | | |
Tableau de données
| 1980 | 143 Md | 1996 | 543 Md | 2012 | 1,52 Bn |
| 1981 | 164 Md | 1997 | 574 Md | 2013 | 1,58 Bn |
| 1982 | 184 Md | 1998 | 607 Md | 2014 | 1,62 Bn |
| 1983 | 199 Md | 1999 | 640 Md | 2015 | 1,65 Bn |
| 1984 | 224 Md | 2000 | 689 Md | 2016 | 1,7 Bn |
| 1985 | 249 Md | 2001 | 732 Md | 2017 | 1,81 Bn |
| 1986 | 271 Md | 2002 | 784 Md | 2018 | 1,9 Bn |
| 1987 | 304 Md | 2003 | 832 Md | 2019 | 2 Bn |
| 1988 | 346 Md | 2004 | 896 Md | 2020 | 1,98 Bn |
| 1989 | 390 Md | 2005 | 966 Md | 2021 | 2,21 Bn |
| 1990 | 416 Md | 2006 | 1,04 Bn | 2022 | 2,49 Bn |
| 1991 | 417 Md | 2007 | 1,14 Bn | 2023 | 2,63 Bn |
| 1992 | 433 Md | 2008 | 1,24 Bn | 2024 | 2,73 Bn |
| 1993 | 455 Md | 2009 | 1,27 Bn | 2025 | 2,85 Bn |
| 1994 | 484 Md | 2010 | 1,37 Bn | 2026 | 3,02 Bn |
| 1995 | 512 Md | 2011 | 1,47 Bn | | |
Tableau de données
| 1980 | 733 Md | 1996 | 1,2 Bn | 2012 | 2,05 Bn |
| 1981 | 763 Md | 1997 | 1,26 Bn | 2013 | 2,1 Bn |
| 1982 | 764 Md | 1998 | 1,32 Bn | 2014 | 2,15 Bn |
| 1983 | 760 Md | 1999 | 1,38 Bn | 2015 | 2,2 Bn |
| 1984 | 808 Md | 2000 | 1,42 Bn | 2016 | 2,26 Bn |
| 1985 | 852 Md | 2001 | 1,46 Bn | 2017 | 2,32 Bn |
| 1986 | 873 Md | 2002 | 1,52 Bn | 2018 | 2,38 Bn |
| 1987 | 916 Md | 2003 | 1,56 Bn | 2019 | 2,43 Bn |
| 1988 | 955 Md | 2004 | 1,63 Bn | 2020 | 2,38 Bn |
| 1989 | 999 Md | 2005 | 1,67 Bn | 2021 | 2,51 Bn |
| 1990 | 1,01 Bn | 2006 | 1,72 Bn | 2022 | 2,61 Bn |
| 1991 | 1 Bn | 2007 | 1,79 Bn | 2023 | 2,67 Bn |
| 1992 | 1,03 Bn | 2008 | 1,84 Bn | 2024 | 2,69 Bn |
| 1993 | 1,07 Bn | 2009 | 1,88 Bn | 2025 | 2,75 Bn |
| 1994 | 1,12 Bn | 2010 | 1,92 Bn | 2026 | 2,8 Bn |
| 1995 | 1,16 Bn | 2011 | 1,98 Bn | | |