Tableau de données
| 1980 | 289 M | 1996 | 741 M | 2012 | 1,05 Md |
| 1981 | 370 M | 1997 | 704 M | 2013 | 1,11 Md |
| 1982 | 421 M | 1998 | 592 M | 2014 | 1,14 Md |
| 1983 | 475 M | 1999 | 580 M | 2015 | 1,15 Md |
| 1984 | 330 M | 2000 | 392 M | 2016 | 1,25 Md |
| 1985 | 485 M | 2001 | 413 M | 2017 | 1,47 Md |
| 1986 | 474 M | 2002 | 466 M | 2018 | 1,56 Md |
| 1987 | 401 M | 2003 | 553 M | 2019 | 1,49 Md |
| 1988 | 374 M | 2004 | 582 M | 2020 | 1,52 Md |
| 1989 | 449 M | 2005 | 640 M | 2021 | 1,72 Md |
| 1990 | 548 M | 2006 | 635 M | 2022 | 1,72 Md |
| 1991 | 772 M | 2007 | 753 M | 2023 | 2,01 Md |
| 1992 | 846 M | 2008 | 953 M | 2024 | 2,19 Md |
| 1993 | 653 M | 2009 | 889 M | 2025 | 2,65 Md |
| 1994 | 361 M | 2010 | 941 M | 2026 | 2,99 Md |
| 1995 | 778 M | 2011 | 1,16 Md | | |
Tableau de données
| 1980 | 61,2 Md | 1996 | 376 Md | 2012 | 536 Md |
| 1981 | 101 Md | 1997 | 407 Md | 2013 | 548 Md |
| 1982 | 138 Md | 1998 | 349 Md | 2014 | 561 Md |
| 1983 | 181 Md | 1999 | 357 Md | 2015 | 681 Md |
| 1984 | 144 Md | 2000 | 278 Md | 2016 | 738 Md |
| 1985 | 218 Md | 2001 | 302 Md | 2017 | 854 Md |
| 1986 | 164 Md | 2002 | 324 Md | 2018 | 863 Md |
| 1987 | 120 Md | 2003 | 321 Md | 2019 | 871 Md |
| 1988 | 111 Md | 2004 | 307 Md | 2020 | 875 Md |
| 1989 | 143 Md | 2005 | 337 Md | 2021 | 955 Md |
| 1990 | 149 Md | 2006 | 332 Md | 2022 | 1,07 Bn |
| 1991 | 217 Md | 2007 | 360 Md | 2023 | 1,22 Bn |
| 1992 | 218 Md | 2008 | 425 Md | 2024 | 1,33 Bn |
| 1993 | 183 Md | 2009 | 419 Md | 2025 | 1,54 Bn |
| 1994 | 200 Md | 2010 | 465 Md | 2026 | 1,66 Bn |
| 1995 | 385 Md | 2011 | 545 Md | | |
Tableau de données
| 1980 | 270 Md | 1996 | 429 Md | 2012 | 616 Md |
| 1981 | 269 Md | 1997 | 455 Md | 2013 | 636 Md |
| 1982 | 280 Md | 1998 | 353 Md | 2014 | 642 Md |
| 1983 | 271 Md | 1999 | 412 Md | 2015 | 681 Md |
| 1984 | 285 Md | 2000 | 417 Md | 2016 | 717 Md |
| 1985 | 298 Md | 2001 | 437 Md | 2017 | 752 Md |
| 1986 | 295 Md | 2002 | 453 Md | 2018 | 780 Md |
| 1987 | 311 Md | 2003 | 452 Md | 2019 | 815 Md |
| 1988 | 317 Md | 2004 | 457 Md | 2020 | 827 Md |
| 1989 | 327 Md | 2005 | 487 Md | 2021 | 879 Md |
| 1990 | 342 Md | 2006 | 500 Md | 2022 | 919 Md |
| 1991 | 367 Md | 2007 | 513 Md | 2023 | 967 Md |
| 1992 | 378 Md | 2008 | 536 Md | 2024 | 1,01 Bn |
| 1993 | 386 Md | 2009 | 549 Md | 2025 | 1,07 Bn |
| 1994 | 398 Md | 2010 | 580 Md | 2026 | 1,12 Bn |
| 1995 | 414 Md | 2011 | 626 Md | | |