데이터 표
| 1985 | 725만 | 1999 | 1,109만 | 2013 | 1,377만 |
| 1986 | 976만 | 2000 | 1,033만 | 2014 | 3,091만 |
| 1987 | 1,132만 | 2001 | 1,107만 | 2015 | 1,810만 |
| 1988 | 1,215만 | 2002 | 1,170만 | 2016 | 2,192만 |
| 1989 | 1,304만 | 2003 | 1,224만 | 2017 | 2,224만 |
| 1990 | 1,484만 | 2004 | 1,593만 | 2018 | 2,151만 |
| 1991 | 1,656만 | 2005 | 1,473만 | 2019 | 2,168만 |
| 1992 | 2,050만 | 2006 | 1,437만 | 2020 | 1,890만 |
| 1993 | 1,295만 | 2007 | 1,518만 | 2021 | 3,659만 |
| 1994 | 1,189만 | 2008 | 1,112만 | 2022 | 2,345만 |
| 1995 | 1,159만 | 2009 | 865만 | 2023 | 2,928만 |
| 1996 | 1,054만 | 2010 | 716만 | 2024 | 2,763만 |
| 1997 | 1,140만 | 2011 | 871만 | 2025 | 2,838만 |
| 1998 | 1,054만 | 2012 | 992만 | | |
데이터 표
| 1985 | 4.3% | 1999 | 1.8% | 2013 | 1% |
| 1986 | 4.7% | 2000 | 1.7% | 2014 | 2.2% |
| 1987 | 4.5% | 2001 | 1.8% | 2015 | 1.3% |
| 1988 | 4.3% | 2002 | 1.7% | 2016 | 1.4% |
| 1989 | 4.3% | 2003 | 1.7% | 2017 | 1.3% |
| 1990 | 4% | 2004 | 1.9% | 2018 | 1.2% |
| 1991 | 4.4% | 2005 | 1.6% | 2019 | 1.2% |
| 1992 | 4.7% | 2006 | 1.4% | 2020 | 1.4% |
| 1993 | 2.8% | 2007 | 1.5% | 2021 | 2.5% |
| 1994 | 2.4% | 2008 | 1.2% | 2022 | 1.2% |
| 1995 | 2.3% | 2009 | 1% | 2023 | 1.3% |
| 1996 | 2.1% | 2010 | 0.7% | 2024 | 1.3% |
| 1997 | 2% | 2011 | 0.9% | 2025 | 1.2% |
| 1998 | 1.7% | 2012 | 0.9% | | |