表を表示
| 1984 | 9,737万 | 1998 | 2.94億 | 2012 | 4.11億 |
| 1985 | 1.02億 | 1999 | 2.58億 | 2013 | 4.12億 |
| 1986 | 1.1億 | 2000 | 2.44億 | 2014 | 5.28億 |
| 1987 | 1.04億 | 2001 | 2.18億 | 2015 | 4.24億 |
| 1988 | 1.78億 | 2002 | 2.26億 | 2016 | 4.03億 |
| 1989 | 1.86億 | 2003 | 2.43億 | 2017 | 3.47億 |
| 1990 | 2.31億 | 2004 | 1.99億 | 2018 | 3.58億 |
| 1991 | 2.45億 | 2005 | 2.49億 | 2019 | 4.15億 |
| 1992 | 2.52億 | 2006 | 2.93億 | 2020 | 4.37億 |
| 1993 | 2.34億 | 2007 | 3.23億 | 2021 | 4.53億 |
| 1994 | 2.62億 | 2008 | 3.62億 | 2022 | 4.36億 |
| 1995 | 2.86億 | 2009 | 3.5億 | 2023 | 4.49億 |
| 1996 | 3.28億 | 2010 | 3.91億 | 2024 | 5.6億 |
| 1997 | 3.69億 | 2011 | 4.15億 | | |
表を表示
| 1984 | 2.6% | 1998 | 7.5% | 2012 | 2.2% |
| 1985 | 2.9% | 1999 | 6.1% | 2013 | 2.3% |
| 1986 | 4.7% | 2000 | 4.1% | 2014 | 3.1% |
| 1987 | 3.8% | 2001 | 3.9% | 2015 | 3.3% |
| 1988 | 6.6% | 2002 | 3.9% | 2016 | 3.5% |
| 1989 | 6.2% | 2003 | 3.7% | 2017 | 2.9% |
| 1990 | 6.4% | 2004 | 2.5% | 2018 | 2.6% |
| 1991 | 6.4% | 2005 | 2.3% | 2019 | 3.1% |
| 1992 | 6.2% | 2006 | 2.3% | 2020 | 3.6% |
| 1993 | 5.7% | 2007 | 2.4% | 2021 | 3.2% |
| 1994 | 6% | 2008 | 2.3% | 2022 | 2.6% |
| 1995 | 5.5% | 2009 | 2.9% | 2023 | 3% |
| 1996 | 6.2% | 2010 | 2.9% | 2024 | 3.7% |
| 1997 | 7.2% | 2011 | 2.2% | | |