表を表示
| 1997 | 64.2% | 2007 | 3.1% | 2017 | 24.7% |
| 1998 | 81.6% | 2008 | 3.6% | 2018 | 22.5% |
| 1999 | 66.7% | 2009 | 3.1% | 2019 | 17.7% |
| 2000 | 55.1% | 2010 | 7% | 2020 | 15.4% |
| 2001 | 34.1% | 2011 | 14.8% | 2021 | 12.3% |
| 2002 | 24.2% | 2012 | 17.9% | 2022 | 7.1% |
| 2003 | 16.9% | 2013 | 20.4% | 2023 | 5.5% |
| 2004 | 11.4% | 2014 | 16% | 2024 | 4.1% |
| 2005 | 6.8% | 2015 | 19% | 2025 | 3.8% |
| 2006 | 4.2% | 2016 | 21.1% | 2026 | 3.7% |
表を表示
| 1997 | 13.3億 | 2007 | 7.7億 | 2017 | 328億 |
| 1998 | 21.3億 | 2008 | 16.4億 | 2018 | 321億 |
| 1999 | 24.9億 | 2009 | 16.6億 | 2019 | 279億 |
| 2000 | 26.8億 | 2010 | 42.8億 | 2020 | 244億 |
| 2001 | 22.9億 | 2011 | 117億 | 2021 | 213億 |
| 2002 | 20.4億 | 2012 | 180億 | 2022 | 142億 |
| 2003 | 18.7億 | 2013 | 227億 | 2023 | 120億 |
| 2004 | 15.7億 | 2014 | 198億 | 2024 | 98.8億 |
| 2005 | 11.3億 | 2015 | 237億 | 2025 | 102億 |
| 2006 | 8.76億 | 2016 | 267億 | 2026 | 107億 |