데이터 표
| 1992 | 2.81억 | 2004 | 4.93억 | 2016 | 4.49억 |
| 1993 | 2.3억 | 2005 | 5.14억 | 2017 | 4.74억 |
| 1994 | 2.38억 | 2006 | 6.09억 | 2018 | 5.29억 |
| 1995 | 3.35억 | 2007 | 6.93억 | 2019 | 5.73억 |
| 1996 | 3.3억 | 2008 | 8.29억 | 2020 | 5.74억 |
| 1997 | 2.91억 | 2009 | 7.99억 | 2021 | 7.63억 |
| 1998 | 3.01억 | 2010 | 7.72억 | 2022 | 7.75억 |
| 1999 | 2.75억 | 2011 | 6.66억 | 2023 | 9.1억 |
| 2000 | 2.22억 | 2012 | 5.43억 | 2024 | 9.81억 |
| 2001 | 2.71억 | 2013 | 5.07억 | 2025 | 12.2억 |
| 2002 | 3.27억 | 2014 | 4.86억 | | |
| 2003 | 4.17억 | 2015 | 4.01억 | | |
데이터 표
| 1992 | 2.2% | 2004 | 1.4% | 2016 | 1% |
| 1993 | 1.8% | 2005 | 1.4% | 2017 | 1% |
| 1994 | 1.7% | 2006 | 1.6% | 2018 | 1% |
| 1995 | 1.6% | 2007 | 1.4% | 2019 | 1.1% |
| 1996 | 1.5% | 2008 | 1.5% | 2020 | 1.1% |
| 1997 | 1.4% | 2009 | 1.6% | 2021 | 1.2% |
| 1998 | 1.4% | 2010 | 1.6% | 2022 | 1.3% |
| 1999 | 1.2% | 2011 | 1.3% | 2023 | 1.3% |
| 2000 | 1.1% | 2012 | 1.2% | 2024 | 1.3% |
| 2001 | 1.3% | 2013 | 1.1% | 2025 | 1.5% |
| 2002 | 1.4% | 2014 | 1% | | |
| 2003 | 1.4% | 2015 | 0.9% | | |