Show data table
| 1998 | 12% | 2008 | 22.1% | 2018 | 28.2% |
| 1999 | 13.5% | 2009 | 23.4% | 2019 | 26.8% |
| 2000 | 13.6% | 2010 | 23.2% | 2020 | 24.8% |
| 2001 | 15.2% | 2011 | 24.9% | 2021 | 27% |
| 2002 | 16.7% | 2012 | 25.1% | 2022 | 27.1% |
| 2003 | 17.3% | 2013 | 26.9% | 2023 | 27.1% |
| 2004 | 17.9% | 2014 | 28.4% | 2024 | 27.5% |
| 2005 | 20.1% | 2015 | 29.9% | 2025 | 27.5% |
| 2006 | 23.6% | 2016 | 29.7% | 2026 | 26.9% |
| 2007 | 22.5% | 2017 | 28.1% | | |
Show data table
| 1998 | 124M | 2008 | 3.9B | 2018 | 20B |
| 1999 | 182M | 2009 | 4.83B | 2019 | 21.2B |
| 2000 | 246M | 2010 | 5.72B | 2020 | 20.8B |
| 2001 | 382M | 2011 | 7.48B | 2021 | 27.3B |
| 2002 | 560M | 2012 | 9.09B | 2022 | 32.1B |
| 2003 | 824M | 2013 | 10.9B | 2023 | 36B |
| 2004 | 1.1B | 2014 | 12.9B | 2024 | 42.9B |
| 2005 | 1.45B | 2015 | 14.5B | 2025 | 48.3B |
| 2006 | 2.19B | 2016 | 16.3B | 2026 | 52.5B |
| 2007 | 2.87B | 2017 | 18.1B | | |
Show data table
| 1998 | 17.1% | 2008 | 20.2% | 2018 | 30.9% |
| 1999 | 17.5% | 2009 | 23.6% | 2019 | 28.8% |
| 2000 | 18.1% | 2010 | 25.9% | 2020 | 29.2% |
| 2001 | 17.3% | 2011 | 24.3% | 2021 | 27.6% |
| 2002 | 19.1% | 2012 | 24.7% | 2022 | 27.4% |
| 2003 | 19.1% | 2013 | 27.7% | 2023 | 28% |
| 2004 | 20.2% | 2014 | 27.5% | 2024 | 27.2% |
| 2005 | 22.9% | 2015 | 31.9% | 2025 | 29.3% |
| 2006 | 21.6% | 2016 | 32.7% | 2026 | 29.4% |
| 2007 | 20.3% | 2017 | 33.8% | | |
Show data table
| 1998 | 176M | 2008 | 3.55B | 2018 | 21.9B |
| 1999 | 236M | 2009 | 4.87B | 2019 | 22.8B |
| 2000 | 327M | 2010 | 6.39B | 2020 | 24.5B |
| 2001 | 435M | 2011 | 7.3B | 2021 | 27.9B |
| 2002 | 640M | 2012 | 8.94B | 2022 | 32.4B |
| 2003 | 907M | 2013 | 11.2B | 2023 | 37.2B |
| 2004 | 1.25B | 2014 | 12.5B | 2024 | 42.4B |
| 2005 | 1.65B | 2015 | 15.4B | 2025 | 51.4B |
| 2006 | 2.01B | 2016 | 17.9B | 2026 | 57.4B |
| 2007 | 2.6B | 2017 | 21.8B | | |