데이터 표
| 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% | | |
데이터 표
| 1980 | 6,400만 | 1996 | 2.07억 | 2012 | 7.02억 |
| 1981 | 5,400만 | 1997 | 2.27억 | 2013 | 9.35억 |
| 1982 | 5,200만 | 1998 | 2.37억 | 2014 | 9.39억 |
| 1983 | 5,200만 | 1999 | 2.36억 | 2015 | 8.97억 |
| 1984 | 5,000만 | 2000 | 2.42억 | 2016 | 8.11억 |
| 1985 | 5,400만 | 2001 | 2.47억 | 2017 | 7.77억 |
| 1986 | 6,800만 | 2002 | 3.08억 | 2018 | 10.3억 |
| 1987 | 8,600만 | 2003 | 3.19억 | 2019 | 10.9억 |
| 1988 | 9,200만 | 2004 | 3.71억 | 2020 | 7.99억 |
| 1989 | 1.02억 | 2005 | 4.61억 | 2021 | 10.8억 |
| 1990 | 1.09억 | 2006 | 5.42억 | 2022 | 12억 |
| 1991 | 1.04억 | 2007 | 5.79억 | 2023 | 12.3억 |
| 1992 | 1.22억 | 2008 | 5.87억 | 2024 | 9.38억 |
| 1993 | 1.41억 | 2009 | 6.09억 | 2025 | 8.97억 |
| 1994 | 1.69억 | 2010 | 5.68억 | 2026 | 9.92억 |
| 1995 | 1.94억 | 2011 | 7.19억 | | |
데이터 표
| 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 | 33.1% | 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% | | |
데이터 표
| 1980 | 7,400만 | 1996 | 2.26억 | 2012 | 6.06억 |
| 1981 | 6,200만 | 1997 | 2.49억 | 2013 | 6.76억 |
| 1982 | 6,200만 | 1998 | 2.88억 | 2014 | 7.2억 |
| 1983 | 6,100만 | 1999 | 3.52억 | 2015 | 7.51억 |
| 1984 | 6,200만 | 2000 | 3.94억 | 2016 | 7.08억 |
| 1985 | 7,700만 | 2001 | 3.82억 | 2017 | 7.29억 |
| 1986 | 8,100만 | 2002 | 4.6억 | 2018 | 9.81억 |
| 1987 | 1.42억 | 2003 | 3.91억 | 2019 | 11.1억 |
| 1988 | 1.25억 | 2004 | 4.61억 | 2020 | 8.72억 |
| 1989 | 1.16억 | 2005 | 5.12억 | 2021 | 9.55억 |
| 1990 | 1.06억 | 2006 | 5.66억 | 2022 | 13.1억 |
| 1991 | 9,900만 | 2007 | 5.98억 | 2023 | 12.2억 |
| 1992 | 1.19억 | 2008 | 6.2억 | 2024 | 12.6억 |
| 1993 | 1.4억 | 2009 | 6.35억 | 2025 | 12.4억 |
| 1994 | 1.63억 | 2010 | 6.55억 | 2026 | 12.6억 |
| 1995 | 1.87억 | 2011 | 6.83억 | | |