데이터 표
| 1970 | 1.04억 | 1989 | 14.1억 | 2008 | 74.5억 |
| 1971 | 1.28억 | 1990 | 18억 | 2009 | 75.4억 |
| 1972 | 1.5억 | 1991 | 20.2억 | 2010 | 81.1억 |
| 1973 | 1.99억 | 1992 | 23.3억 | 2011 | 89.2억 |
| 1974 | 2.26억 | 1993 | 24.8억 | 2012 | 91.7억 |
| 1975 | 2.69억 | 1994 | 28억 | 2013 | 93.5억 |
| 1976 | 3.06억 | 1995 | 36.7억 | 2014 | 96억 |
| 1977 | 3.81억 | 1996 | 41억 | 2015 | 93.8억 |
| 1978 | 4.19억 | 1997 | 44.6억 | 2016 | 98.8억 |
| 1979 | 4.52억 | 1998 | 44.7억 | 2017 | 102억 |
| 1980 | 5.6억 | 1999 | 44.9억 | 2018 | 106억 |
| 1981 | 6.81억 | 2000 | 43.3억 | 2019 | 104억 |
| 1982 | 7.38억 | 2001 | 43.1억 | 2020 | 98억 |
| 1983 | 7.33억 | 2002 | 45.3억 | 2021 | 110억 |
| 1984 | 9.19억 | 2003 | 47.2억 | 2022 | 120억 |
| 1985 | 10.5억 | 2004 | 50.4억 | 2023 | 140억 |
| 1986 | 10.2억 | 2005 | 54.6억 | 2024 | 153억 |
| 1987 | 10.5억 | 2006 | 58.3억 | 2025 | 174억 |
| 1988 | 12.1억 | 2007 | 65.2억 | | |
데이터 표
| 1970 | 5.4% | 1989 | 4.5% | 2008 | 3.9% |
| 1971 | 5.6% | 1990 | 4.6% | 2009 | 3.9% |
| 1972 | 5.1% | 1991 | 4.4% | 2010 | 3.4% |
| 1973 | 4.7% | 1992 | 4.5% | 2011 | 3.2% |
| 1974 | 4.3% | 1993 | 4.1% | 2012 | 3.1% |
| 1975 | 4.6% | 1994 | 3.8% | 2013 | 3% |
| 1976 | 5% | 1995 | 4.2% | 2014 | 3% |
| 1977 | 5.7% | 1996 | 4.3% | 2015 | 3% |
| 1978 | 5.2% | 1997 | 4.5% | 2016 | 3.1% |
| 1979 | 4.7% | 1998 | 5.2% | 2017 | 3% |
| 1980 | 4.6% | 1999 | 5.2% | 2018 | 2.8% |
| 1981 | 4.7% | 2000 | 4.5% | 2019 | 2.8% |
| 1982 | 4.7% | 2001 | 4.8% | 2020 | 2.8% |
| 1983 | 4.1% | 2002 | 4.9% | 2021 | 2.5% |
| 1984 | 4.7% | 2003 | 4.8% | 2022 | 2.4% |
| 1985 | 5.7% | 2004 | 4.4% | 2023 | 2.8% |
| 1986 | 5.4% | 2005 | 4.3% | 2024 | 2.8% |
| 1987 | 4.9% | 2006 | 3.9% | 2025 | 3% |
| 1988 | 4.5% | 2007 | 3.6% | | |