表を表示
| 1980 | 20.4% | 1996 | 21.5% | 2012 | 30.5% |
| 1981 | 15.5% | 1997 | 22.7% | 2013 | 29.4% |
| 1982 | 18.2% | 1998 | 23.1% | 2014 | 31.5% |
| 1983 | 16.5% | 1999 | 24.6% | 2015 | 28.6% |
| 1984 | 17.9% | 2000 | 23.5% | 2016 | 25.6% |
| 1985 | 17.9% | 2001 | 23.3% | 2017 | 28% |
| 1986 | 16.5% | 2002 | 22.8% | 2018 | 25% |
| 1987 | 18.8% | 2003 | 23.8% | 2019 | 26.5% |
| 1988 | 20.2% | 2004 | 27% | 2020 | 28% |
| 1989 | 21.7% | 2005 | 27.3% | 2021 | 24.7% |
| 1990 | 23.7% | 2006 | 36.2% | 2022 | 23.6% |
| 1991 | 22.9% | 2007 | 32.8% | 2023 | 30.9% |
| 1992 | 22% | 2008 | 35% | 2024 | 32.5% |
| 1993 | 19.8% | 2009 | 30.9% | 2025 | 29.6% |
| 1994 | 20% | 2010 | 21.7% | 2026 | 31.5% |
| 1995 | 20.7% | 2011 | 21.3% | | |
表を表示
| 1980 | 1.56億 | 1996 | 17億 | 2012 | 122億 |
| 1981 | 1.36億 | 1997 | 20.4億 | 2013 | 129億 |
| 1982 | 1.84億 | 1998 | 22.8億 | 2014 | 149億 |
| 1983 | 1.86億 | 1999 | 26.5億 | 2015 | 146億 |
| 1984 | 2.21億 | 2000 | 28.2億 | 2016 | 143億 |
| 1985 | 2.43億 | 2001 | 31.1億 | 2017 | 168億 |
| 1986 | 2.56億 | 2002 | 34.3億 | 2018 | 157億 |
| 1987 | 3.37億 | 2003 | 39.1億 | 2019 | 178億 |
| 1988 | 4.28億 | 2004 | 48.4億 | 2020 | 193億 |
| 1989 | 5.84億 | 2005 | 55億 | 2021 | 180億 |
| 1990 | 7.56億 | 2006 | 80.3億 | 2022 | 188億 |
| 1991 | 8.16億 | 2007 | 79.9億 | 2023 | 266億 |
| 1992 | 9.11億 | 2008 | 95.1億 | 2024 | 292億 |
| 1993 | 9.82億 | 2009 | 92.5億 | 2025 | 277億 |
| 1994 | 11.8億 | 2010 | 69.9億 | 2026 | 308億 |
| 1995 | 14.5億 | 2011 | 74.9億 | | |
表を表示
| 1980 | 15.3% | 1996 | 22.5% | 2012 | 27.1% |
| 1981 | 18.9% | 1997 | 20.7% | 2013 | 28.8% |
| 1982 | 18.1% | 1998 | 22% | 2014 | 32.7% |
| 1983 | 17% | 1999 | 25.8% | 2015 | 34.5% |
| 1984 | 17% | 2000 | 24.7% | 2016 | 34% |
| 1985 | 19% | 2001 | 25.6% | 2017 | 33.6% |
| 1986 | 18.8% | 2002 | 26.5% | 2018 | 31.6% |
| 1987 | 16.8% | 2003 | 25.9% | 2019 | 32.8% |
| 1988 | 16.7% | 2004 | 31% | 2020 | 32.2% |
| 1989 | 15.8% | 2005 | 29% | 2021 | 29.3% |
| 1990 | 18.2% | 2006 | 27.6% | 2022 | 28.9% |
| 1991 | 19.6% | 2007 | 30.4% | 2023 | 31.5% |
| 1992 | 24.7% | 2008 | 33.4% | 2024 | 33.6% |
| 1993 | 23% | 2009 | 33.9% | 2025 | 35.7% |
| 1994 | 23.4% | 2010 | 31.1% | 2026 | 38.3% |
| 1995 | 19.9% | 2011 | 25.1% | | |
表を表示
| 1980 | 1.17億 | 1996 | 17.8億 | 2012 | 108億 |
| 1981 | 1.66億 | 1997 | 18.6億 | 2013 | 127億 |
| 1982 | 1.83億 | 1998 | 21.7億 | 2014 | 155億 |
| 1983 | 1.91億 | 1999 | 27.8億 | 2015 | 176億 |
| 1984 | 2.1億 | 2000 | 29.7億 | 2016 | 190億 |
| 1985 | 2.58億 | 2001 | 34.1億 | 2017 | 202億 |
| 1986 | 2.91億 | 2002 | 39.8億 | 2018 | 198億 |
| 1987 | 3.01億 | 2003 | 42.6億 | 2019 | 220億 |
| 1988 | 3.55億 | 2004 | 55.5億 | 2020 | 222億 |
| 1989 | 4.27億 | 2005 | 58.3億 | 2021 | 213億 |
| 1990 | 5.82億 | 2006 | 61.1億 | 2022 | 230億 |
| 1991 | 6.99億 | 2007 | 74.2億 | 2023 | 272億 |
| 1992 | 10.2億 | 2008 | 90.8億 | 2024 | 302億 |
| 1993 | 11.4億 | 2009 | 102億 | 2025 | 334億 |
| 1994 | 13.8億 | 2010 | 99.9億 | 2026 | 375億 |
| 1995 | 13.9億 | 2011 | 88.5億 | | |