表を表示
| 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% | | |
表を表示
| 1998 | 1.24億 | 2008 | 39億 | 2018 | 200億 |
| 1999 | 1.82億 | 2009 | 48.3億 | 2019 | 212億 |
| 2000 | 2.46億 | 2010 | 57.2億 | 2020 | 208億 |
| 2001 | 3.82億 | 2011 | 74.8億 | 2021 | 273億 |
| 2002 | 5.6億 | 2012 | 90.9億 | 2022 | 321億 |
| 2003 | 8.24億 | 2013 | 109億 | 2023 | 360億 |
| 2004 | 11億 | 2014 | 129億 | 2024 | 429億 |
| 2005 | 14.5億 | 2015 | 145億 | 2025 | 483億 |
| 2006 | 21.9億 | 2016 | 163億 | 2026 | 525億 |
| 2007 | 28.7億 | 2017 | 181億 | | |
表を表示
| 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% | | |
表を表示
| 1998 | 1.76億 | 2008 | 35.5億 | 2018 | 219億 |
| 1999 | 2.36億 | 2009 | 48.7億 | 2019 | 228億 |
| 2000 | 3.27億 | 2010 | 63.9億 | 2020 | 245億 |
| 2001 | 4.35億 | 2011 | 73億 | 2021 | 279億 |
| 2002 | 6.4億 | 2012 | 89.4億 | 2022 | 324億 |
| 2003 | 9.07億 | 2013 | 112億 | 2023 | 372億 |
| 2004 | 12.5億 | 2014 | 125億 | 2024 | 424億 |
| 2005 | 16.5億 | 2015 | 154億 | 2025 | 514億 |
| 2006 | 20.1億 | 2016 | 179億 | 2026 | 574億 |
| 2007 | 26億 | 2017 | 218億 | | |