데이터 표
| 1984 | 9,737만 | 1998 | 2.94억 | 2012 | 4.11억 |
| 1985 | 1.02억 | 1999 | 2.58억 | 2013 | 4.12억 |
| 1986 | 1.1억 | 2000 | 2.44억 | 2014 | 5.28억 |
| 1987 | 1.04억 | 2001 | 2.18억 | 2015 | 4.24억 |
| 1988 | 1.78억 | 2002 | 2.26억 | 2016 | 4.03억 |
| 1989 | 1.86억 | 2003 | 2.43억 | 2017 | 3.47억 |
| 1990 | 2.31억 | 2004 | 1.99억 | 2018 | 3.58억 |
| 1991 | 2.45억 | 2005 | 2.49억 | 2019 | 4.15억 |
| 1992 | 2.52억 | 2006 | 2.93억 | 2020 | 4.37억 |
| 1993 | 2.34억 | 2007 | 3.23억 | 2021 | 4.53억 |
| 1994 | 2.62억 | 2008 | 3.62억 | 2022 | 4.36억 |
| 1995 | 2.86억 | 2009 | 3.5억 | 2023 | 4.49억 |
| 1996 | 3.28억 | 2010 | 3.91억 | 2024 | 5.6억 |
| 1997 | 3.69억 | 2011 | 4.15억 | | |
데이터 표
| 1984 | 2.6% | 1998 | 7.5% | 2012 | 2.2% |
| 1985 | 2.9% | 1999 | 6.1% | 2013 | 2.3% |
| 1986 | 4.7% | 2000 | 4.1% | 2014 | 3.1% |
| 1987 | 3.8% | 2001 | 3.9% | 2015 | 3.3% |
| 1988 | 6.6% | 2002 | 3.9% | 2016 | 3.5% |
| 1989 | 6.2% | 2003 | 3.7% | 2017 | 2.9% |
| 1990 | 6.4% | 2004 | 2.5% | 2018 | 2.6% |
| 1991 | 6.4% | 2005 | 2.3% | 2019 | 3.1% |
| 1992 | 6.2% | 2006 | 2.3% | 2020 | 3.6% |
| 1993 | 5.7% | 2007 | 2.4% | 2021 | 3.2% |
| 1994 | 6% | 2008 | 2.3% | 2022 | 2.6% |
| 1995 | 5.5% | 2009 | 2.9% | 2023 | 3% |
| 1996 | 6.2% | 2010 | 2.9% | 2024 | 3.7% |
| 1997 | 7.2% | 2011 | 2.2% | | |