表を表示
| 1997 | 21.9% | 2007 | 29.5% | 2017 | 8.8% |
| 1998 | 33.3% | 2008 | 26.1% | 2018 | 7.9% |
| 1999 | 35.4% | 2009 | 17.2% | 2019 | 7.8% |
| 2000 | 37.4% | 2010 | 21.6% | 2020 | 9.1% |
| 2001 | 44.6% | 2011 | 18.1% | 2021 | 16.1% |
| 2002 | 55.5% | 2012 | 13.3% | 2022 | 16.5% |
| 2003 | 51.8% | 2013 | 11.6% | 2023 | 22.3% |
| 2004 | 49.4% | 2014 | 10.1% | 2024 | 26.1% |
| 2005 | 38.5% | 2015 | 7.9% | 2025 | 28.7% |
| 2006 | 36.9% | 2016 | 7.5% | 2026 | 29.9% |
表を表示
| 1997 | 5.08億 | 2007 | 15.7億 | 2017 | 10.2億 |
| 1998 | 8.7億 | 2008 | 15.7億 | 2018 | 10.2億 |
| 1999 | 9.91億 | 2009 | 11.2億 | 2019 | 10.3億 |
| 2000 | 9.47億 | 2010 | 15.7億 | 2020 | 11.5億 |
| 2001 | 11.4億 | 2011 | 14.7億 | 2021 | 20.2億 |
| 2002 | 15.4億 | 2012 | 11.6億 | 2022 | 19.8億 |
| 2003 | 16.2億 | 2013 | 10.9億 | 2023 | 28.2億 |
| 2004 | 17.3億 | 2014 | 9.99億 | 2024 | 35億 |
| 2005 | 16億 | 2015 | 8.15億 | 2025 | 40.7億 |
| 2006 | 17.3億 | 2016 | 8.26億 | 2026 | 45.7億 |