데이터 표
| 1983 | 44.8% | 1998 | 44% | 2013 | 38.2% |
| 1984 | 44.4% | 1999 | 45.9% | 2014 | 36.3% |
| 1985 | 48.2% | 2000 | 40.7% | 2015 | 32.9% |
| 1986 | 48% | 2001 | 37.9% | 2016 | 34.5% |
| 1987 | 52.5% | 2002 | 40.1% | 2017 | 32.6% |
| 1988 | 58.6% | 2003 | 48% | 2018 | 32.2% |
| 1989 | 59.9% | 2004 | 40.3% | 2019 | 32.2% |
| 1990 | 58% | 2005 | 39.4% | 2020 | 31% |
| 1991 | 55.3% | 2006 | 41% | 2021 | 33.1% |
| 1992 | 57.2% | 2007 | 32% | 2022 | 30.8% |
| 1993 | 56.7% | 2008 | 34.9% | 2023 | 32% |
| 1994 | 56.7% | 2009 | 37% | 2024 | 32.3% |
| 1995 | 50.5% | 2010 | 35.1% | 2025 | 31.7% |
| 1996 | 49.4% | 2011 | 39.8% | 2026 | 33.3% |
| 1997 | 48.8% | 2012 | 41.5% | | |
데이터 표
| 1983 | 4.45억 | 1998 | 14.1억 | 2013 | 61.1억 |
| 1984 | 4.75억 | 1999 | 15.3억 | 2014 | 64.1억 |
| 1985 | 5.81억 | 2000 | 14.3억 | 2015 | 62.8억 |
| 1986 | 6.16억 | 2001 | 13.8억 | 2016 | 72.1억 |
| 1987 | 7.33억 | 2002 | 15.3억 | 2017 | 74.5억 |
| 1988 | 8.95억 | 2003 | 18.3억 | 2018 | 80억 |
| 1989 | 10.3억 | 2004 | 18.6억 | 2019 | 84.4억 |
| 1990 | 11.4억 | 2005 | 19.9억 | 2020 | 75.4억 |
| 1991 | 10.9억 | 2006 | 23억 | 2021 | 83.2억 |
| 1992 | 12.7억 | 2007 | 22.1억 | 2022 | 88억 |
| 1993 | 13.9억 | 2008 | 31.9억 | 2023 | 97.3억 |
| 1994 | 14억 | 2009 | 42.6억 | 2024 | 105억 |
| 1995 | 12.2억 | 2010 | 41.1억 | 2025 | 108억 |
| 1996 | 12.4억 | 2011 | 50.1억 | 2026 | 118억 |
| 1997 | 13.8억 | 2012 | 60.2억 | | |
데이터 표
| 1983 | 47.9% | 1998 | 60.7% | 2013 | 37.8% |
| 1984 | 50.5% | 1999 | 56.1% | 2014 | 33.4% |
| 1985 | 53% | 2000 | 55.4% | 2015 | 31.5% |
| 1986 | 58% | 2001 | 46.8% | 2016 | 34.5% |
| 1987 | 49.7% | 2002 | 56.3% | 2017 | 34.3% |
| 1988 | 46.7% | 2003 | 44.6% | 2018 | 33% |
| 1989 | 51.7% | 2004 | 39.9% | 2019 | 31.7% |
| 1990 | 46.1% | 2005 | 39% | 2020 | 46.7% |
| 1991 | 52.1% | 2006 | 43.6% | 2021 | 38.8% |
| 1992 | 50.7% | 2007 | 41.9% | 2022 | 31.6% |
| 1993 | 60.4% | 2008 | 27% | 2023 | 33.1% |
| 1994 | 63.6% | 2009 | 32.1% | 2024 | 33% |
| 1995 | 53.1% | 2010 | 34.6% | 2025 | 32.7% |
| 1996 | 59.1% | 2011 | 36.4% | 2026 | 35.3% |
| 1997 | 54.7% | 2012 | 38.6% | | |
데이터 표
| 1983 | 4.76억 | 1998 | 19.4억 | 2013 | 60.6억 |
| 1984 | 5.4억 | 1999 | 18.7억 | 2014 | 59억 |
| 1985 | 6.39억 | 2000 | 19.5억 | 2015 | 60.1억 |
| 1986 | 7.45억 | 2001 | 17.1억 | 2016 | 72억 |
| 1987 | 6.94억 | 2002 | 21.5억 | 2017 | 78.3억 |
| 1988 | 7.14억 | 2003 | 17억 | 2018 | 82억 |
| 1989 | 8.89억 | 2004 | 18.4억 | 2019 | 83.2억 |
| 1990 | 9.06억 | 2005 | 19.7억 | 2020 | 114억 |
| 1991 | 10.3억 | 2006 | 24.4억 | 2021 | 97.7억 |
| 1992 | 11.3억 | 2007 | 29억 | 2022 | 90.2억 |
| 1993 | 14.8억 | 2008 | 24.7억 | 2023 | 101억 |
| 1994 | 15.7억 | 2009 | 37억 | 2024 | 107억 |
| 1995 | 12.9억 | 2010 | 40.5억 | 2025 | 112억 |
| 1996 | 14.8억 | 2011 | 45.9억 | 2026 | 125억 |
| 1997 | 15.5억 | 2012 | 56억 | | |