Tableau de données
| 2000 | 18% | 2009 | 22,8% | 2018 | 26,4% |
| 2001 | 19,1% | 2010 | 24% | 2019 | 26,4% |
| 2002 | 17,4% | 2011 | 23,8% | 2020 | 31,5% |
| 2003 | 19,8% | 2012 | 24,6% | 2021 | 30,6% |
| 2004 | 20,6% | 2013 | 25% | 2022 | 29% |
| 2005 | 20% | 2014 | 24,7% | 2023 | 27,2% |
| 2006 | 20,9% | 2015 | 24,8% | 2024 | 26,3% |
| 2007 | 20,8% | 2016 | 24,9% | 2025 | 27,2% |
| 2008 | 19,6% | 2017 | 25,1% | 2026 | 27,6% |
Tableau de données
| 2000 | 25,3 Md | 2009 | 70,6 Md | 2018 | 146 Md |
| 2001 | 29,6 Md | 2010 | 80,3 Md | 2019 | 157 Md |
| 2002 | 29,8 Md | 2011 | 87,8 Md | 2020 | 189 Md |
| 2003 | 36,3 Md | 2012 | 96 Md | 2021 | 205 Md |
| 2004 | 40,8 Md | 2013 | 104 Md | 2022 | 215 Md |
| 2005 | 43,1 Md | 2014 | 110 Md | 2023 | 222 Md |
| 2006 | 49,7 Md | 2015 | 118 Md | 2024 | 231 Md |
| 2007 | 55,9 Md | 2016 | 125 Md | 2025 | 253 Md |
| 2008 | 59,6 Md | 2017 | 132 Md | 2026 | 273 Md |