Year of birth of first child (BH4Y_FIRST)
Data file: wm
Overview
Valid:
1495
Invalid:
5
Minimum:
1983.0
Maximum:
9999.0
Mean:
2062.159197324415
Standard deviation:
683.6076871670183
Type:
Discrete
Width:
12
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1983 | 1 |
0.1%
|
|
| 1984 | 4 |
0.3%
|
|
| 1985 | 8 |
0.5%
|
|
| 1986 | 8 |
0.5%
|
|
| 1987 | 9 |
0.6%
|
|
| 1988 | 28 |
1.9%
|
|
| 1989 | 29 |
1.9%
|
|
| 1990 | 30 |
2%
|
|
| 1991 | 36 |
2.4%
|
|
| 1992 | 49 |
3.3%
|
|
| 1993 | 38 |
2.5%
|
|
| 1994 | 34 |
2.3%
|
|
| 1995 | 41 |
2.7%
|
|
| 1996 | 45 |
3%
|
|
| 1997 | 47 |
3.1%
|
|
| 1998 | 57 |
3.8%
|
|
| 1999 | 57 |
3.8%
|
|
| 2000 | 61 |
4.1%
|
|
| 2001 | 63 |
4.2%
|
|
| 2002 | 57 |
3.8%
|
|
| 2003 | 63 |
4.2%
|
|
| 2004 | 54 |
3.6%
|
|
| 2005 | 41 |
2.7%
|
|
| 2006 | 35 |
2.3%
|
|
| 2007 | 58 |
3.9%
|
|
| 2008 | 50 |
3.3%
|
|
| 2009 | 59 |
3.9%
|
|
| 2010 | 39 |
2.6%
|
|
| 2011 | 56 |
3.7%
|
|
| 2012 | 43 |
2.9%
|
|
| 2013 | 57 |
3.8%
|
|
| 2014 | 59 |
3.9%
|
|
| 2015 | 39 |
2.6%
|
|
| 2016 | 49 |
3.3%
|
|
| 2017 | 33 |
2.2%
|
|
| 2018 | 39 |
2.6%
|
|
| 2019 | 8 |
0.5%
|
|
| 9999 | NO RESPONSE | 11 |
0.7%
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.