Year of first birth (CM16BY)
Data file: wm
Overview
Valid:
1287
Invalid:
1641
Minimum:
1987.0
Maximum:
9998.0
Mean:
2011.12432012432
Standard deviation:
222.92757004075762
Type:
Discrete
Width:
8
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1987 | 2 |
0.2%
|
|
| 1988 | 10 |
0.8%
|
|
| 1989 | 14 |
1.1%
|
|
| 1990 | 17 |
1.3%
|
|
| 1991 | 26 |
2%
|
|
| 1992 | 19 |
1.5%
|
|
| 1993 | 31 |
2.4%
|
|
| 1994 | 30 |
2.3%
|
|
| 1995 | 31 |
2.4%
|
|
| 1996 | 37 |
2.9%
|
|
| 1997 | 29 |
2.3%
|
|
| 1998 | 40 |
3.1%
|
|
| 1999 | 33 |
2.6%
|
|
| 2000 | 48 |
3.7%
|
|
| 2001 | 61 |
4.7%
|
|
| 2002 | 38 |
3%
|
|
| 2003 | 51 |
4%
|
|
| 2004 | 48 |
3.7%
|
|
| 2005 | 36 |
2.8%
|
|
| 2006 | 43 |
3.3%
|
|
| 2007 | 59 |
4.6%
|
|
| 2008 | 75 |
5.8%
|
|
| 2009 | 79 |
6.1%
|
|
| 2010 | 66 |
5.1%
|
|
| 2011 | 77 |
6%
|
|
| 2012 | 74 |
5.7%
|
|
| 2013 | 64 |
5%
|
|
| 2014 | 59 |
4.6%
|
|
| 2015 | 54 |
4.2%
|
|
| 2016 | 28 |
2.2%
|
|
| 2017 | 6 |
0.5%
|
|
| 2018 | 1 |
0.1%
|
|
| 9998 | DK | 1 |
0.1%
|
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.