데이터 표
| 2000 | 20.9% | 2009 | 21.6% | 2018 | 26.5% |
| 2001 | 21.6% | 2010 | 20.2% | 2019 | 28.2% |
| 2002 | 21% | 2011 | 30.9% | 2020 | 38.7% |
| 2003 | 20.3% | 2012 | 31.5% | 2021 | 25.6% |
| 2004 | 19.5% | 2013 | 26.2% | 2022 | 27.2% |
| 2005 | 19.6% | 2014 | 27.1% | 2023 | 28.5% |
| 2006 | 19.2% | 2015 | 28.4% | 2024 | 29% |
| 2007 | 19.1% | 2016 | 27.8% | 2025 | 28.5% |
| 2008 | 20.4% | 2017 | 27% | 2026 | 28.5% |
데이터 표
| 2000 | 9.6억 | 2009 | 11.5억 | 2018 | 17.4억 |
| 2001 | 9.93억 | 2010 | 11.7억 | 2019 | 18억 |
| 2002 | 9.58억 | 2011 | 17.1억 | 2020 | 23.3억 |
| 2003 | 9.13억 | 2012 | 17.5억 | 2021 | 18.5억 |
| 2004 | 9.09억 | 2013 | 15.3억 | 2022 | 19.3억 |
| 2005 | 9.72억 | 2014 | 16.2억 | 2023 | 21.1억 |
| 2006 | 10.5억 | 2015 | 16.8억 | 2024 | 21.6억 |
| 2007 | 11.6억 | 2016 | 16.7억 | 2025 | 21.3억 |
| 2008 | 12.2억 | 2017 | 17억 | 2026 | 21.3억 |
데이터 표
| 2011 | 28.9% | 2017 | 24.3% | 2023 | 24.1% |
| 2012 | 34% | 2018 | 23.7% | 2024 | 26% |
| 2013 | 27.5% | 2019 | 24.6% | 2025 | 25.7% |
| 2014 | 24.9% | 2020 | 31.3% | 2026 | 25.5% |
| 2015 | 24.7% | 2021 | 23.2% | | |
| 2016 | 24.8% | 2022 | 23.9% | | |
데이터 표
| 2011 | 16억 | 2017 | 15.2억 | 2023 | 17.8억 |
| 2012 | 18.8억 | 2018 | 15.5억 | 2024 | 19.4억 |
| 2013 | 16억 | 2019 | 15.7억 | 2025 | 19.2억 |
| 2014 | 14.9억 | 2020 | 18.8억 | 2026 | 19.1억 |
| 2015 | 14.7억 | 2021 | 16.8억 | | |
| 2016 | 14.9억 | 2022 | 17억 | | |