데이터 표
| 1991 | 2,160만 | 2007 | 1,911만 | 2017 | 2,752만 |
| 1992 | 2,319만 | 2008 | 3,151만 | 2018 | 3,052만 |
| 1993 | 1,914만 | 2009 | 3,599만 | 2019 | 4,078만 |
| 1994 | 1,069만 | 2010 | 5,159만 | 2020 | 4,435만 |
| 1995 | 1,301만 | 2011 | 4,987만 | 2021 | 5,552만 |
| 1996 | 1,220만 | 2012 | 4,275만 | 2022 | 4,200만 |
| 2002 | 1,068만 | 2013 | 4,792만 | 2023 | 6,253만 |
| 2003 | 1,502만 | 2014 | 3,841만 | 2024 | 7,118만 |
| 2004 | 1,510만 | 2015 | 2,670만 | 2025 | 7,419만 |
| 2005 | 1,540만 | 2016 | 2,683만 | | |
데이터 표
| 1991 | 1.6% | 2007 | 1.1% | 2017 | 1.3% |
| 1992 | 1.6% | 2008 | 1.5% | 2018 | 1.3% |
| 1993 | 1.5% | 2009 | 1.7% | 2019 | 1.8% |
| 1994 | 1.3% | 2010 | 2.4% | 2020 | 1.9% |
| 1995 | 1.2% | 2011 | 2% | 2021 | 2.1% |
| 1996 | 1.2% | 2012 | 1.7% | 2022 | 1.7% |
| 2002 | 1.1% | 2013 | 2.8% | 2023 | 2.4% |
| 2003 | 1.3% | 2014 | 2% | 2024 | 2.6% |
| 2004 | 1.2% | 2015 | 1.6% | 2025 | 2.3% |
| 2005 | 1.1% | 2016 | 1.5% | | |