Show data table
| 1998 | 21.7% | 2008 | 14.6% | 2018 | 33.3% |
| 1999 | 28% | 2009 | 27.9% | 2019 | 35.6% |
| 2000 | 23.5% | 2010 | 36.7% | 2020 | 45.9% |
| 2001 | 22.9% | 2011 | 37.5% | 2021 | 43.3% |
| 2002 | 22.1% | 2012 | 39.9% | 2022 | 38.3% |
| 2003 | 20.4% | 2013 | 38.9% | 2023 | 37.1% |
| 2004 | 18.6% | 2014 | 40.7% | 2024 | 38% |
| 2005 | 17.6% | 2015 | 42.4% | 2025 | 39.8% |
| 2006 | 17.3% | 2016 | 39.8% | 2026 | 45.1% |
| 2007 | 15.9% | 2017 | 39.1% | | |
Show data table
| 1998 | 2.84B | 2008 | 4.76B | 2018 | 15.3B |
| 1999 | 3.57B | 2009 | 7.53B | 2019 | 17.5B |
| 2000 | 3.14B | 2010 | 10.2B | 2020 | 23.1B |
| 2001 | 3.25B | 2011 | 11.6B | 2021 | 24.6B |
| 2002 | 3.37B | 2012 | 13.3B | 2022 | 25.7B |
| 2003 | 3.4B | 2013 | 13.6B | 2023 | 27.6B |
| 2004 | 3.41B | 2014 | 14.8B | 2024 | 30B |
| 2005 | 3.7B | 2015 | 15.9B | 2025 | 33.5B |
| 2006 | 4.15B | 2016 | 15.4B | 2026 | 40.5B |
| 2007 | 4.61B | 2017 | 16.5B | | |
Show data table
| 1998 | 9.9% | 2008 | 10.1% | 2018 | 28.3% |
| 1999 | 14.2% | 2009 | 19.7% | 2019 | 30.9% |
| 2000 | 10.7% | 2010 | 26.6% | 2020 | 41.3% |
| 2001 | 11.7% | 2011 | 33.4% | 2021 | 39.3% |
| 2002 | 11.6% | 2012 | 33.5% | 2022 | 34.9% |
| 2003 | 10.3% | 2013 | 34.2% | 2023 | 34% |
| 2004 | 10.5% | 2014 | 32.7% | 2024 | 35% |
| 2005 | 10.1% | 2015 | 35.2% | 2025 | 37.1% |
| 2006 | 7.9% | 2016 | 33.9% | 2026 | 42.5% |
| 2007 | 8.3% | 2017 | 33.7% | | |
Show data table
| 1998 | 1.3B | 2008 | 3.29B | 2018 | 13B |
| 1999 | 1.82B | 2009 | 5.33B | 2019 | 15.2B |
| 2000 | 1.43B | 2010 | 7.37B | 2020 | 20.8B |
| 2001 | 1.66B | 2011 | 10.4B | 2021 | 22.3B |
| 2002 | 1.76B | 2012 | 11.1B | 2022 | 23.4B |
| 2003 | 1.72B | 2013 | 11.9B | 2023 | 25.3B |
| 2004 | 1.91B | 2014 | 11.9B | 2024 | 27.7B |
| 2005 | 2.12B | 2015 | 13.2B | 2025 | 31.2B |
| 2006 | 1.9B | 2016 | 13.1B | 2026 | 38.2B |
| 2007 | 2.4B | 2017 | 14.2B | | |