Tableau de données
| 1998 | 67,8% | 2008 | 11,2% | 2018 | 38,3% |
| 1999 | 68,4% | 2009 | 11,3% | 2019 | 41,6% |
| 2000 | 75,9% | 2010 | 14% | 2020 | 44,9% |
| 2001 | 62,2% | 2011 | 15,9% | 2021 | 47,2% |
| 2002 | 56,6% | 2012 | 14,9% | 2022 | 45,6% |
| 2003 | 51,5% | 2013 | 17,5% | 2023 | 43,6% |
| 2004 | 51,7% | 2014 | 20,7% | 2024 | 43,4% |
| 2005 | 43,8% | 2015 | 31,6% | 2025 | 40,4% |
| 2006 | 18,4% | 2016 | 32,1% | 2026 | 39,3% |
| 2007 | 13,8% | 2017 | 36,5% | | |
Tableau de données
| 1998 | 4,53 Bn | 2008 | 1,38 Bn | 2018 | 8,51 Bn |
| 1999 | 4,87 Bn | 2009 | 1,48 Bn | 2019 | 9,67 Bn |
| 2000 | 5,69 Bn | 2010 | 1,9 Bn | 2020 | 10,54 Bn |
| 2001 | 4,99 Bn | 2011 | 2,29 Bn | 2021 | 11,77 Bn |
| 2002 | 4,88 Bn | 2012 | 2,29 Bn | 2022 | 12,61 Bn |
| 2003 | 4,77 Bn | 2013 | 2,91 Bn | 2023 | 12,9 Bn |
| 2004 | 5,14 Bn | 2014 | 3,72 Bn | 2024 | 14,03 Bn |
| 2005 | 4,51 Bn | 2015 | 6,02 Bn | 2025 | 13,9 Bn |
| 2006 | 2,01 Bn | 2016 | 6,43 Bn | 2026 | 14,24 Bn |
| 2007 | 1,58 Bn | 2017 | 7,66 Bn | | |
Tableau de données
| 1998 | 64,9% | 2008 | 7,3% | 2018 | 35,8% |
| 1999 | 65,5% | 2009 | 7,6% | 2019 | 39,3% |
| 2000 | 72,7% | 2010 | 10% | 2020 | 42,8% |
| 2001 | 59,5% | 2011 | 13,5% | 2021 | 45,7% |
| 2002 | 54,2% | 2012 | 12,5% | 2022 | 44% |
| 2003 | 49,4% | 2013 | 15,2% | 2023 | 42,3% |
| 2004 | 50,4% | 2014 | 19% | 2024 | 42,1% |
| 2005 | 42,4% | 2015 | 27,4% | 2025 | 38,7% |
| 2006 | 15,7% | 2016 | 30,4% | 2026 | 37,7% |
| 2007 | 10,3% | 2017 | 33,2% | | |
Tableau de données
| 1998 | 4,34 Bn | 2008 | 908 Md | 2018 | 7,95 Bn |
| 1999 | 4,66 Bn | 2009 | 996 Md | 2019 | 9,14 Bn |
| 2000 | 5,45 Bn | 2010 | 1,36 Bn | 2020 | 10,06 Bn |
| 2001 | 4,78 Bn | 2011 | 1,95 Bn | 2021 | 11,4 Bn |
| 2002 | 4,67 Bn | 2012 | 1,93 Bn | 2022 | 12,17 Bn |
| 2003 | 4,58 Bn | 2013 | 2,53 Bn | 2023 | 12,51 Bn |
| 2004 | 5 Bn | 2014 | 3,41 Bn | 2024 | 13,6 Bn |
| 2005 | 4,36 Bn | 2015 | 5,23 Bn | 2025 | 13,33 Bn |
| 2006 | 1,71 Bn | 2016 | 6,1 Bn | 2026 | 13,68 Bn |
| 2007 | 1,18 Bn | 2017 | 6,96 Bn | | |