데이터 표
| 1996 | 6,771만 | 2006 | 4.04억 | 2016 | 3.15억 |
| 1997 | 4,401만 | 2007 | 9.32억 | 2017 | 3.21억 |
| 1998 | 4,108만 | 2008 | 10.9억 | 2018 | 3.34억 |
| 1999 | 2,588만 | 2009 | 6.04억 | 2019 | 3.11억 |
| 2000 | 1,882만 | 2010 | 4.54억 | 2020 | 2.88억 |
| 2001 | 2,383만 | 2011 | 4.69억 | 2021 | 3억 |
| 2002 | 3,398만 | 2012 | 4.92억 | 2022 | 4.01억 |
| 2003 | 4,265만 | 2013 | 4.42억 | 2023 | 5.06억 |
| 2004 | 7,042만 | 2014 | 4.16억 | 2024 | 5.38억 |
| 2005 | 2.14억 | 2015 | 3억 | 2025 | 6.58억 |
데이터 표
| 1996 | 2.2% | 2006 | 5.2% | 2016 | 2% |
| 1997 | 1.3% | 2007 | 9.2% | 2017 | 1.9% |
| 1998 | 1.1% | 2008 | 8.5% | 2018 | 1.9% |
| 1999 | 0.9% | 2009 | 5.6% | 2019 | 1.8% |
| 2000 | 0.6% | 2010 | 3.7% | 2020 | 1.8% |
| 2001 | 0.7% | 2011 | 3% | 2021 | 1.6% |
| 2002 | 1% | 2012 | 2.9% | 2022 | 1.6% |
| 2003 | 1.1% | 2013 | 2.5% | 2023 | 1.6% |
| 2004 | 1.4% | 2014 | 2.3% | 2024 | 1.6% |
| 2005 | 3.3% | 2015 | 2% | 2025 | 1.7% |