| 序号 |
时间(年) |
数据(单位：万户) |
| 1 |
2021 |
|
| 2 |
2020 |
|
| 3 |
2019 |
|
| 4 |
2018 |
|
| 5 |
2017 |
|
| 6 |
2016 |
|
| 7 |
2015 |
57.02 |
| 8 |
2014 |
55.28 |
| 9 |
2013 |
53.98 |
| 10 |
2012 |
52.36 |
| 11 |
2011 |
50.34 |
| 12 |
2010 |
47.78 |
| 13 |
2009 |
46.03 |
| 14 |
2008 |
44.09 |
| 15 |
2007 |
42.78 |
| 16 |
2006 |
40.75 |
| 17 |
2005 |
40.35 |
| 18 |
2004 |
39.26 |
| 19 |
2003 |
39.02 |
| 20 |
2002 |
38.87 |
| 21 |
2001 |
38.34 |
| 22 |
2000 |
37.83 |
| 23 |
1999 |
37.11 |
| 24 |
1998 |
36.75 |
| 25 |
1997 |
36.28 |
| 26 |
1996 |
34.87 |
| 27 |
1995 |
35.44 |
| 28 |
1994 |
35.79 |
| 29 |
1993 |
35.04 |
| 30 |
1992 |
34.21 |
| 31 |
1991 |
33.89 |
| 32 |
1990 |
33.49 |
| 33 |
1989 |
33.15 |
| 34 |
1988 |
32.81 |
| 35 |
1987 |
32.55 |
| 36 |
1986 |
32.31 |
| 37 |
1985 |
31.81 |
| 38 |
1984 |
31.31 |
| 39 |
1983 |
31.29 |
| 40 |
1982 |
31.00 |
| 41 |
1981 |
31.45 |
| 42 |
1980 |
31.31 |
| 43 |
1979 |
30.99 |
| 44 |
1978 |
30.84 |
| 45 |
1975 |
28.84 |
| 46 |
1970 |
25.14 |
| 47 |
1965 |
23.14 |
