Tableau de données
| 1997 | 25% | 2007 | 32,2% | 2017 | 34,5% |
| 1998 | 23,7% | 2008 | 33,4% | 2018 | 33,8% |
| 1999 | 23,7% | 2009 | 36,7% | 2019 | 32,6% |
| 2000 | 26,2% | 2010 | 36,9% | 2020 | 32% |
| 2001 | 30,1% | 2011 | 38,3% | 2021 | 30,1% |
| 2002 | 29,8% | 2012 | 39,2% | 2022 | 29,5% |
| 2003 | 32,2% | 2013 | 38,9% | 2023 | 29% |
| 2004 | 33,4% | 2014 | 37,5% | 2024 | 26,8% |
| 2005 | 34,1% | 2015 | 35,9% | 2025 | 22,4% |
| 2006 | 33,3% | 2016 | 35,4% | 2026 | 27,6% |
Tableau de données
| 1997 | 2,17 Bn | 2007 | 4,3 Bn | 2017 | 6,21 Bn |
| 1998 | 2,22 Bn | 2008 | 4,37 Bn | 2018 | 6,23 Bn |
| 1999 | 2,32 Bn | 2009 | 4,74 Bn | 2019 | 6,19 Bn |
| 2000 | 2,71 Bn | 2010 | 5,19 Bn | 2020 | 6,4 Bn |
| 2001 | 3,05 Bn | 2011 | 5,47 Bn | 2021 | 6,55 Bn |
| 2002 | 3,17 Bn | 2012 | 5,75 Bn | 2022 | 6,73 Bn |
| 2003 | 3,51 Bn | 2013 | 5,94 Bn | 2023 | 6,85 Bn |
| 2004 | 3,88 Bn | 2014 | 6,09 Bn | 2024 | 6,89 Bn |
| 2005 | 4,1 Bn | 2015 | 6,13 Bn | 2025 | 6,44 Bn |
| 2006 | 4,19 Bn | 2016 | 6,21 Bn | 2026 | 8,45 Bn |
Tableau de données
| 1997 | 21,1% | 2007 | 30,3% | 2017 | 32,6% |
| 1998 | 17,6% | 2008 | 31,5% | 2018 | 31,9% |
| 1999 | 21,8% | 2009 | 34,8% | 2019 | 30,7% |
| 2000 | 24,3% | 2010 | 35% | 2020 | 30,1% |
| 2001 | 28,2% | 2011 | 36,5% | 2021 | 28,2% |
| 2002 | 27,9% | 2012 | 37,3% | 2022 | 27,6% |
| 2003 | 30,3% | 2013 | 37% | 2023 | 27,1% |
| 2004 | 31,6% | 2014 | 35,6% | 2024 | 24,9% |
| 2005 | 32,2% | 2015 | 34,1% | 2025 | 20,5% |
| 2006 | 31,4% | 2016 | 33,5% | 2026 | 25,7% |
Tableau de données
| 1997 | 1,84 Bn | 2007 | 4,05 Bn | 2017 | 5,87 Bn |
| 1998 | 1,65 Bn | 2008 | 4,13 Bn | 2018 | 5,88 Bn |
| 1999 | 2,14 Bn | 2009 | 4,5 Bn | 2019 | 5,83 Bn |
| 2000 | 2,51 Bn | 2010 | 4,92 Bn | 2020 | 6,02 Bn |
| 2001 | 2,86 Bn | 2011 | 5,2 Bn | 2021 | 6,14 Bn |
| 2002 | 2,97 Bn | 2012 | 5,48 Bn | 2022 | 6,3 Bn |
| 2003 | 3,31 Bn | 2013 | 5,65 Bn | 2023 | 6,4 Bn |
| 2004 | 3,66 Bn | 2014 | 5,79 Bn | 2024 | 6,41 Bn |
| 2005 | 3,87 Bn | 2015 | 5,81 Bn | 2025 | 5,9 Bn |
| 2006 | 3,95 Bn | 2016 | 5,88 Bn | 2026 | 7,87 Bn |