데이터 표
| 1985 | 3,074만 | 1999 | 2.87억 | 2013 | 3.85억 |
| 1986 | 4,873만 | 2000 | 2.75억 | 2014 | 3.58억 |
| 1987 | 2억 | 2001 | 3.22억 | 2015 | 3.28억 |
| 1988 | 2.44억 | 2002 | 2.38억 | 2016 | 2.95억 |
| 1989 | 2.45억 | 2003 | 2.88억 | 2017 | 3.57억 |
| 1990 | 4.11억 | 2004 | 3.36억 | 2018 | 4.5억 |
| 1991 | 4.18억 | 2005 | 3.76억 | 2019 | 4.64억 |
| 1992 | 6.3억 | 2006 | 3.81억 | 2020 | 4.83억 |
| 1993 | 2.68억 | 2007 | 4.04억 | 2021 | 5.42억 |
| 1994 | 2.98억 | 2008 | 4.54억 | 2022 | 5.33억 |
| 1995 | 2.99억 | 2009 | 4.71억 | 2023 | 5.59억 |
| 1996 | 4.48억 | 2010 | 4.78억 | 2024 | 5.96억 |
| 1997 | 5.34억 | 2011 | 4.8억 | 2025 | 6.63억 |
| 1998 | 4.84억 | 2012 | 4.14억 | | |
데이터 표
| 1985 | 1.3% | 1999 | 2.7% | 2013 | 1.6% |
| 1986 | 1.6% | 2000 | 2.8% | 2014 | 1.5% |
| 1987 | 5.4% | 2001 | 3.2% | 2015 | 1.6% |
| 1988 | 5.7% | 2002 | 2.1% | 2016 | 1.4% |
| 1989 | 5.4% | 2003 | 2% | 2017 | 1.6% |
| 1990 | 7.4% | 2004 | 2% | 2018 | 1.7% |
| 1991 | 7.3% | 2005 | 2% | 2019 | 1.8% |
| 1992 | 9.1% | 2006 | 1.9% | 2020 | 1.9% |
| 1993 | 4.1% | 2007 | 1.7% | 2021 | 1.8% |
| 1994 | 4% | 2008 | 1.6% | 2022 | 1.7% |
| 1995 | 3% | 2009 | 1.8% | 2023 | 1.6% |
| 1996 | 4.5% | 2010 | 1.9% | 2024 | 1.6% |
| 1997 | 5.6% | 2011 | 1.7% | 2025 | 1.6% |
| 1998 | 4.7% | 2012 | 1.7% | | |