Tableau de données
| 1997 | 96,1% | 2007 | 47,9% | 2017 | 47,4% |
| 1998 | 85,3% | 2008 | 35,8% | 2018 | 47,9% |
| 1999 | 84,2% | 2009 | 20,3% | 2019 | 44,9% |
| 2000 | 94,7% | 2010 | 19,9% | 2020 | 42,4% |
| 2001 | 103,1% | 2011 | 19,7% | 2021 | 46,3% |
| 2002 | 98,5% | 2012 | 31,5% | 2022 | 48,9% |
| 2003 | 95,9% | 2013 | 51,8% | 2023 | 55,6% |
| 2004 | 99,7% | 2014 | 57,5% | 2024 | 59,9% |
| 2005 | 103% | 2015 | 54,4% | 2025 | 61,8% |
| 2006 | 46,8% | 2016 | 49,3% | 2026 | 64% |
Tableau de données
| 1997 | 544 Md | 2007 | 402 Md | 2017 | 605 Md |
| 1998 | 517 Md | 2008 | 326 Md | 2018 | 633 Md |
| 1999 | 538 Md | 2009 | 197 Md | 2019 | 643 Md |
| 2000 | 583 Md | 2010 | 211 Md | 2020 | 610 Md |
| 2001 | 680 Md | 2011 | 226 Md | 2021 | 695 Md |
| 2002 | 675 Md | 2012 | 404 Md | 2022 | 781 Md |
| 2003 | 662 Md | 2013 | 433 Md | 2023 | 918 Md |
| 2004 | 690 Md | 2014 | 582 Md | 2024 | 1,04 Bn |
| 2005 | 767 Md | 2015 | 599 Md | 2025 | 1,15 Bn |
| 2006 | 376 Md | 2016 | 583 Md | 2026 | 1,24 Bn |