데이터 표
| 1998 | 53.5% | 2008 | 44.5% | 2018 | 42.1% |
| 1999 | 54.7% | 2009 | 43.6% | 2019 | 41.3% |
| 2000 | 51.5% | 2010 | 44.6% | 2020 | 40.9% |
| 2001 | 46.8% | 2011 | 43.7% | 2021 | 40.5% |
| 2002 | 44.4% | 2012 | 44.2% | 2022 | 39.5% |
| 2003 | 46.8% | 2013 | 41.6% | 2023 | 40.2% |
| 2004 | 45.4% | 2014 | 43.3% | 2024 | 41.3% |
| 2005 | 45.3% | 2015 | 42.5% | 2025 | 42.5% |
| 2006 | 46.3% | 2016 | 41.8% | 2026 | 41.4% |
| 2007 | 45.4% | 2017 | 41.8% | | |
데이터 표
| 1998 | 49.3억 | 2008 | 114억 | 2018 | 143억 |
| 1999 | 57.9억 | 2009 | 108억 | 2019 | 148억 |
| 2000 | 60.9억 | 2010 | 113억 | 2020 | 142억 |
| 2001 | 59.3억 | 2011 | 115억 | 2021 | 158억 |
| 2002 | 62.2억 | 2012 | 116억 | 2022 | 180억 |
| 2003 | 69억 | 2013 | 111억 | 2023 | 201억 |
| 2004 | 72.6억 | 2014 | 118억 | 2024 | 222억 |
| 2005 | 79.9억 | 2015 | 123억 | 2025 | 242억 |
| 2006 | 92.9억 | 2016 | 127억 | 2026 | 252억 |
| 2007 | 102억 | 2017 | 133억 | | |
데이터 표
| 1998 | 54.4% | 2008 | 48.4% | 2018 | 40.4% |
| 1999 | 57.5% | 2009 | 49% | 2019 | 39.9% |
| 2000 | 56.2% | 2010 | 48.7% | 2020 | 45.4% |
| 2001 | 50.2% | 2011 | 46.4% | 2021 | 40.6% |
| 2002 | 47.4% | 2012 | 47.9% | 2022 | 39.4% |
| 2003 | 47.3% | 2013 | 43.8% | 2023 | 41.9% |
| 2004 | 45.6% | 2014 | 46.2% | 2024 | 43.3% |
| 2005 | 44.5% | 2015 | 42.7% | 2025 | 44.9% |
| 2006 | 44.2% | 2016 | 41.5% | 2026 | 45.3% |
| 2007 | 45.2% | 2017 | 40% | | |
데이터 표
| 1998 | 50.2억 | 2008 | 123억 | 2018 | 137억 |
| 1999 | 60.8억 | 2009 | 121억 | 2019 | 143억 |
| 2000 | 66.4억 | 2010 | 123억 | 2020 | 158억 |
| 2001 | 63.7억 | 2011 | 122억 | 2021 | 159억 |
| 2002 | 66.3억 | 2012 | 126억 | 2022 | 180억 |
| 2003 | 69.6억 | 2013 | 117억 | 2023 | 209억 |
| 2004 | 72.9억 | 2014 | 126억 | 2024 | 233억 |
| 2005 | 78.6억 | 2015 | 123억 | 2025 | 256억 |
| 2006 | 88.7억 | 2016 | 125억 | 2026 | 277억 |
| 2007 | 102억 | 2017 | 127억 | | |