表を表示
| 2004 | 21.4% | 2012 | 23.5% | 2020 | 21.6% |
| 2005 | 22.9% | 2013 | 22.4% | 2021 | 20.7% |
| 2006 | 21.2% | 2014 | 24.8% | 2022 | 22.1% |
| 2007 | 22.5% | 2015 | 23% | 2023 | 21% |
| 2008 | 22.2% | 2016 | 23.3% | 2024 | 21.3% |
| 2009 | 22.4% | 2017 | 22.1% | 2025 | 21% |
| 2010 | 22.1% | 2018 | 23% | 2026 | 21.1% |
| 2011 | 21.3% | 2019 | 22.3% | | |
表を表示
| 2004 | 2.95億 | 2012 | 2.94億 | 2020 | 2.92億 |
| 2005 | 3.29億 | 2013 | 2.83億 | 2021 | 3.24億 |
| 2006 | 3.22億 | 2014 | 3.12億 | 2022 | 3.84億 |
| 2007 | 3.59億 | 2015 | 2.94億 | 2023 | 3.93億 |
| 2008 | 3.63億 | 2016 | 3.08億 | 2024 | 4.11億 |
| 2009 | 3.31億 | 2017 | 2.99億 | 2025 | 4.18億 |
| 2010 | 3.14億 | 2018 | 3.22億 | 2026 | 4.33億 |
| 2011 | 2.78億 | 2019 | 3.23億 | | |
表を表示
| 2004 | 19% | 2012 | 30.6% | 2020 | 59.2% |
| 2005 | 19.3% | 2013 | 30.2% | 2021 | 37.1% |
| 2006 | 19.7% | 2014 | 23.7% | 2022 | 21.7% |
| 2007 | 20.7% | 2015 | 26.3% | 2023 | 21.7% |
| 2008 | 22% | 2016 | 23.4% | 2024 | 20.9% |
| 2009 | 24.8% | 2017 | 25.6% | 2025 | 22% |
| 2010 | 24.4% | 2018 | 24.5% | 2026 | 22.7% |
| 2011 | 25.4% | 2019 | 22.4% | | |
表を表示
| 2004 | 2.62億 | 2012 | 3.82億 | 2020 | 8億 |
| 2005 | 2.78億 | 2013 | 3.81億 | 2021 | 5.82億 |
| 2006 | 2.99億 | 2014 | 2.99億 | 2022 | 3.77億 |
| 2007 | 3.3億 | 2015 | 3.36億 | 2023 | 4.06億 |
| 2008 | 3.6億 | 2016 | 3.11億 | 2024 | 4.03億 |
| 2009 | 3.68億 | 2017 | 3.46億 | 2025 | 4.38億 |
| 2010 | 3.46億 | 2018 | 3.44億 | 2026 | 4.66億 |
| 2011 | 3.31億 | 2019 | 3.24億 | | |