Year of first birth (CM2AY)
Data file: wm
Overview
Valid:
832
Invalid:
449
Minimum:
1972
Maximum:
9999
Type:
Discrete
Decimal:
0
Width:
4
Range:
1972 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1972 | 1 |
0.1%
|
|
| 1973 | 1 |
0.1%
|
|
| 1975 | 1 |
0.1%
|
|
| 1976 | 2 |
0.2%
|
|
| 1977 | 4 |
0.5%
|
|
| 1978 | 5 |
0.6%
|
|
| 1979 | 5 |
0.6%
|
|
| 1980 | 3 |
0.4%
|
|
| 1981 | 12 |
1.4%
|
|
| 1982 | 8 |
1%
|
|
| 1983 | 12 |
1.4%
|
|
| 1984 | 7 |
0.8%
|
|
| 1985 | 13 |
1.6%
|
|
| 1986 | 24 |
2.9%
|
|
| 1987 | 18 |
2.2%
|
|
| 1988 | 35 |
4.2%
|
|
| 1989 | 20 |
2.4%
|
|
| 1990 | 32 |
3.8%
|
|
| 1991 | 26 |
3.1%
|
|
| 1992 | 44 |
5.3%
|
|
| 1993 | 31 |
3.7%
|
|
| 1994 | 42 |
5%
|
|
| 1995 | 22 |
2.6%
|
|
| 1996 | 40 |
4.8%
|
|
| 1997 | 29 |
3.5%
|
|
| 1998 | 30 |
3.6%
|
|
| 1999 | 26 |
3.1%
|
|
| 2000 | 37 |
4.4%
|
|
| 2001 | 23 |
2.8%
|
|
| 2002 | 44 |
5.3%
|
|
| 2003 | 31 |
3.7%
|
|
| 2004 | 26 |
3.1%
|
|
| 2005 | 22 |
2.6%
|
|
| 2006 | 32 |
3.8%
|
|
| 2007 | 1 |
0.1%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | DK | 122 |
14.7%
|
| 9999 | Missing | 1 |
0.1%
|
| Sysmiss | 449 |
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.