表を表示
| 1980 | 40.9% | 1996 | 24.6% | 2012 | 30.6% |
| 1981 | 28.9% | 1997 | 24% | 2013 | 38.6% |
| 1982 | 24.4% | 1998 | 24% | 2014 | 35.7% |
| 1983 | 25% | 1999 | 22.5% | 2015 | 34.7% |
| 1984 | 20.4% | 2000 | 20.5% | 2016 | 29.8% |
| 1985 | 19.8% | 2001 | 19.1% | 2017 | 27.2% |
| 1986 | 21.1% | 2002 | 22.8% | 2018 | 36% |
| 1987 | 23.5% | 2003 | 24.5% | 2019 | 37.2% |
| 1988 | 21.1% | 2004 | 26% | 2020 | 34.1% |
| 1989 | 21.1% | 2005 | 29.8% | 2021 | 47.5% |
| 1990 | 19.9% | 2006 | 29.9% | 2022 | 46.1% |
| 1991 | 19.1% | 2007 | 29.9% | 2023 | 43.9% |
| 1992 | 20.3% | 2008 | 28% | 2024 | 33.1% |
| 1993 | 21.6% | 2009 | 29.1% | 2025 | 30.7% |
| 1994 | 23% | 2010 | 27% | 2026 | 32.2% |
| 1995 | 24.6% | 2011 | 31.9% | | |
表を表示
| 1980 | 6,400万 | 1996 | 2.07億 | 2012 | 7.02億 |
| 1981 | 5,400万 | 1997 | 2.27億 | 2013 | 9.35億 |
| 1982 | 5,200万 | 1998 | 2.37億 | 2014 | 9.39億 |
| 1983 | 5,200万 | 1999 | 2.36億 | 2015 | 8.97億 |
| 1984 | 5,000万 | 2000 | 2.42億 | 2016 | 8.11億 |
| 1985 | 5,400万 | 2001 | 2.47億 | 2017 | 7.77億 |
| 1986 | 6,800万 | 2002 | 3.08億 | 2018 | 10.3億 |
| 1987 | 8,600万 | 2003 | 3.19億 | 2019 | 10.9億 |
| 1988 | 9,200万 | 2004 | 3.71億 | 2020 | 7.99億 |
| 1989 | 1.02億 | 2005 | 4.61億 | 2021 | 10.8億 |
| 1990 | 1.09億 | 2006 | 5.42億 | 2022 | 12億 |
| 1991 | 1.04億 | 2007 | 5.79億 | 2023 | 12.3億 |
| 1992 | 1.22億 | 2008 | 5.87億 | 2024 | 9.38億 |
| 1993 | 1.41億 | 2009 | 6.09億 | 2025 | 8.97億 |
| 1994 | 1.69億 | 2010 | 5.68億 | 2026 | 9.92億 |
| 1995 | 1.94億 | 2011 | 7.19億 | | |
表を表示
| 1980 | 47.4% | 1996 | 26.8% | 2012 | 26.4% |
| 1981 | 33.3% | 1997 | 26.3% | 2013 | 27.9% |
| 1982 | 29% | 1998 | 29.1% | 2014 | 27.4% |
| 1983 | 29% | 1999 | 33.6% | 2015 | 29% |
| 1984 | 25.2% | 2000 | 33.3% | 2016 | 26.1% |
| 1985 | 28.2% | 2001 | 29.5% | 2017 | 25.5% |
| 1986 | 25.3% | 2002 | 34.1% | 2018 | 34.2% |
| 1987 | 38.8% | 2003 | 30% | 2019 | 37.9% |
| 1988 | 28.6% | 2004 | 32.4% | 2020 | 37.2% |
| 1989 | 24% | 2005 | 33% | 2021 | 42% |
| 1990 | 19.3% | 2006 | 31.2% | 2022 | 50.4% |
| 1991 | 18.2% | 2007 | 30.9% | 2023 | 43.7% |
| 1992 | 19.8% | 2008 | 29.5% | 2024 | 44.4% |
| 1993 | 21.3% | 2009 | 30.4% | 2025 | 42.4% |
| 1994 | 22.2% | 2010 | 31.2% | 2026 | 40.8% |
| 1995 | 23.7% | 2011 | 30.3% | | |
表を表示
| 1980 | 7,400万 | 1996 | 2.26億 | 2012 | 6.06億 |
| 1981 | 6,200万 | 1997 | 2.49億 | 2013 | 6.76億 |
| 1982 | 6,200万 | 1998 | 2.88億 | 2014 | 7.2億 |
| 1983 | 6,100万 | 1999 | 3.52億 | 2015 | 7.51億 |
| 1984 | 6,200万 | 2000 | 3.94億 | 2016 | 7.08億 |
| 1985 | 7,700万 | 2001 | 3.82億 | 2017 | 7.29億 |
| 1986 | 8,100万 | 2002 | 4.6億 | 2018 | 9.81億 |
| 1987 | 1.42億 | 2003 | 3.91億 | 2019 | 11.1億 |
| 1988 | 1.25億 | 2004 | 4.61億 | 2020 | 8.72億 |
| 1989 | 1.16億 | 2005 | 5.12億 | 2021 | 9.55億 |
| 1990 | 1.06億 | 2006 | 5.66億 | 2022 | 13.1億 |
| 1991 | 9,900万 | 2007 | 5.98億 | 2023 | 12.2億 |
| 1992 | 1.19億 | 2008 | 6.2億 | 2024 | 12.6億 |
| 1993 | 1.4億 | 2009 | 6.35億 | 2025 | 12.4億 |
| 1994 | 1.63億 | 2010 | 6.55億 | 2026 | 12.6億 |
| 1995 | 1.87億 | 2011 | 6.83億 | | |