表を表示
| 1992 | 3,156万 | 2004 | 1.01億 | 2016 | 1.31億 |
| 1993 | 3,929万 | 2005 | 1.1億 | 2017 | 1.44億 |
| 1994 | 4,965万 | 2006 | 1.41億 | 2018 | 1.76億 |
| 1995 | 5,091万 | 2007 | 1.95億 | 2019 | 1.97億 |
| 1996 | 4,571万 | 2008 | 2.56億 | 2020 | 1.96億 |
| 1997 | 2,983万 | 2009 | 1.83億 | 2021 | 2.23億 |
| 1998 | 3,364万 | 2010 | 1.86億 | 2022 | 2.29億 |
| 1999 | 4,278万 | 2011 | 1.97億 | 2023 | 4億 |
| 2000 | 4,536万 | 2012 | 1.83億 | 2024 | 5.35億 |
| 2001 | 5,323万 | 2013 | 1.8億 | 2025 | 6.24億 |
| 2002 | 5,865万 | 2014 | 1.78億 | | |
| 2003 | 7,614万 | 2015 | 1.32億 | | |
表を表示
| 1980 | 6.1% | 1996 | 1.4% | 2012 | 1.5% |
| 1981 | 5.8% | 1997 | 1.3% | 2013 | 1.4% |
| 1982 | 5.7% | 1998 | 1.3% | 2014 | 1.3% |
| 1983 | 5.4% | 1999 | 1.3% | 2015 | 1.2% |
| 1984 | 6.1% | 2000 | 1.3% | 2016 | 1.1% |
| 1985 | 5.7% | 2001 | 1.3% | 2017 | 1.1% |
| 1986 | 5.6% | 2002 | 1.3% | 2018 | 1.1% |
| 1987 | 5.9% | 2003 | 1.3% | 2019 | 1.3% |
| 1988 | 5.6% | 2004 | 1.4% | 2020 | 1.3% |
| 1989 | 5.2% | 2005 | 1.3% | 2021 | 1.2% |
| 1990 | 5.9% | 2006 | 1.5% | 2022 | 1.2% |
| 1991 | 5.8% | 2007 | 1.8% | 2023 | 1.7% |
| 1992 | 4.7% | 2008 | 1.9% | 2024 | 2% |
| 1993 | 3.2% | 2009 | 1.5% | 2025 | 2% |
| 1994 | 2.5% | 2010 | 1.5% | | |
| 1995 | 1.8% | 2011 | 1.5% | | |