表を表示
| 1999 | 38.4% | 2009 | 39.7% | 2019 | 41.8% |
| 2000 | 43.6% | 2010 | 44.7% | 2020 | 41.7% |
| 2001 | 53.4% | 2011 | 51.9% | 2021 | 43% |
| 2002 | 60.7% | 2012 | 60% | 2022 | 40.2% |
| 2003 | 56.2% | 2013 | 48.9% | 2023 | 37.2% |
| 2004 | 52.2% | 2014 | 47.4% | 2024 | 31.9% |
| 2005 | 43.3% | 2015 | 51.1% | 2025 | 27.4% |
| 2006 | 39.5% | 2016 | 49.4% | 2026 | 34.4% |
| 2007 | 37.8% | 2017 | 44.7% | | |
| 2008 | 34% | 2018 | 45.5% | | |
表を表示
| 1999 | 1.2億 | 2009 | 2.59億 | 2019 | 4.81億 |
| 2000 | 1.45億 | 2010 | 3.17億 | 2020 | 4.88億 |
| 2001 | 1.89億 | 2011 | 3.94億 | 2021 | 5.08億 |
| 2002 | 2.42億 | 2012 | 4.34億 | 2022 | 5.09億 |
| 2003 | 2.5億 | 2013 | 3.83億 | 2023 | 5.2億 |
| 2004 | 2.47億 | 2014 | 3.78億 | 2024 | 4.9億 |
| 2005 | 2.2億 | 2015 | 4.35億 | 2025 | 4.46億 |
| 2006 | 2.32億 | 2016 | 4.61億 | 2026 | 5.95億 |
| 2007 | 2.26億 | 2017 | 4.55億 | | |
| 2008 | 2.23億 | 2018 | 4.92億 | | |