Tableau de données
| 1998 | 32,3% | 2008 | 36,6% | 2018 | 35,5% |
| 1999 | 30,7% | 2009 | 32,7% | 2019 | 35,7% |
| 2000 | 33,8% | 2010 | 32,3% | 2020 | 35,2% |
| 2001 | 34,5% | 2011 | 34,7% | 2021 | 35,7% |
| 2002 | 34,5% | 2012 | 34,4% | 2022 | 33,8% |
| 2003 | 33,9% | 2013 | 33,5% | 2023 | 33,9% |
| 2004 | 34,2% | 2014 | 33,9% | 2024 | 35,1% |
| 2005 | 37,1% | 2015 | 31,9% | 2025 | 35,2% |
| 2006 | 36,8% | 2016 | 32,9% | 2026 | 35,4% |
| 2007 | 37,5% | 2017 | 33,4% | | |
Tableau de données
| 1998 | 909 Md | 2008 | 16,17 Bn | 2018 | 36,92 Bn |
| 1999 | 1,59 Bn | 2009 | 13,6 Bn | 2019 | 39,11 Bn |
| 2000 | 2,64 Bn | 2010 | 16,03 Bn | 2020 | 37,86 Bn |
| 2001 | 3,3 Bn | 2011 | 20,86 Bn | 2021 | 48,12 Bn |
| 2002 | 4 Bn | 2012 | 23,44 Bn | 2022 | 53,07 Bn |
| 2003 | 4,8 Bn | 2013 | 24,44 Bn | 2023 | 59,07 Bn |
| 2004 | 6,24 Bn | 2014 | 26,77 Bn | 2024 | 70,94 Bn |
| 2005 | 8,58 Bn | 2015 | 26,49 Bn | 2025 | 75,23 Bn |
| 2006 | 10,63 Bn | 2016 | 28,18 Bn | 2026 | 78,9 Bn |
| 2007 | 13,37 Bn | 2017 | 30,64 Bn | | |
Tableau de données
| 1998 | 39,7% | 2008 | 32% | 2018 | 32,6% |
| 1999 | 34,3% | 2009 | 38,6% | 2019 | 33,8% |
| 2000 | 30,7% | 2010 | 35,5% | 2020 | 39,2% |
| 2001 | 31,5% | 2011 | 33,3% | 2021 | 34,9% |
| 2002 | 33,8% | 2012 | 34% | 2022 | 35,1% |
| 2003 | 32,6% | 2013 | 34,7% | 2023 | 36,1% |
| 2004 | 29,6% | 2014 | 34,9% | 2024 | 36,7% |
| 2005 | 29,5% | 2015 | 35,3% | 2025 | 39,1% |
| 2006 | 29% | 2016 | 36,6% | 2026 | 37,5% |
| 2007 | 31,9% | 2017 | 34,8% | | |
Tableau de données
| 1998 | 1,12 Bn | 2008 | 14,16 Bn | 2018 | 33,88 Bn |
| 1999 | 1,77 Bn | 2009 | 16,05 Bn | 2019 | 37 Bn |
| 2000 | 2,4 Bn | 2010 | 17,62 Bn | 2020 | 42,15 Bn |
| 2001 | 3,02 Bn | 2011 | 19,99 Bn | 2021 | 47,07 Bn |
| 2002 | 3,92 Bn | 2012 | 23,17 Bn | 2022 | 55,18 Bn |
| 2003 | 4,61 Bn | 2013 | 25,29 Bn | 2023 | 62,98 Bn |
| 2004 | 5,41 Bn | 2014 | 27,61 Bn | 2024 | 74,17 Bn |
| 2005 | 6,82 Bn | 2015 | 29,31 Bn | 2025 | 83,56 Bn |
| 2006 | 8,38 Bn | 2016 | 31,32 Bn | 2026 | 83,46 Bn |
| 2007 | 11,38 Bn | 2017 | 31,99 Bn | | |