Year of first birth (CM2Y)
Data file: wm
Overview
Valid:
1706
Invalid:
456
Minimum:
1976.0
Maximum:
9998.0
Mean:
2052.4279015240327
Standard deviation:
640.335972862582
Type:
Discrete
Width:
6
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1976 | 1 |
0.1%
|
|
| 1977 | 1 |
0.1%
|
|
| 1978 | 2 |
0.1%
|
|
| 1979 | 2 |
0.1%
|
|
| 1980 | 4 |
0.2%
|
|
| 1981 | 9 |
0.5%
|
|
| 1982 | 11 |
0.6%
|
|
| 1983 | 27 |
1.6%
|
|
| 1984 | 22 |
1.3%
|
|
| 1985 | 36 |
2.1%
|
|
| 1986 | 39 |
2.3%
|
|
| 1987 | 31 |
1.8%
|
|
| 1988 | 42 |
2.5%
|
|
| 1989 | 40 |
2.3%
|
|
| 1990 | 42 |
2.5%
|
|
| 1991 | 41 |
2.4%
|
|
| 1992 | 38 |
2.2%
|
|
| 1993 | 45 |
2.6%
|
|
| 1994 | 38 |
2.2%
|
|
| 1995 | 42 |
2.5%
|
|
| 1996 | 35 |
2.1%
|
|
| 1997 | 35 |
2.1%
|
|
| 1998 | 31 |
1.8%
|
|
| 1999 | 51 |
3%
|
|
| 2000 | 53 |
3.1%
|
|
| 2001 | 68 |
4%
|
|
| 2002 | 46 |
2.7%
|
|
| 2003 | 48 |
2.8%
|
|
| 2004 | 62 |
3.6%
|
|
| 2005 | 64 |
3.8%
|
|
| 2006 | 69 |
4%
|
|
| 2007 | 82 |
4.8%
|
|
| 2008 | 86 |
5%
|
|
| 2009 | 88 |
5.2%
|
|
| 2010 | 110 |
6.4%
|
|
| 2011 | 90 |
5.3%
|
|
| 2012 | 76 |
4.5%
|
|
| 2013 | 80 |
4.7%
|
|
| 2014 | 8 |
0.5%
|
|
| 9998 | DK | 11 |
0.6%
|
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.