| Value | Category | Cases | |
|---|---|---|---|
| 0 | no data from individual file | 3051 |
68.1%
|
| 1 | month and year - information complete | 1358 |
30.3%
|
| 2 | month and age - year imputed | 0 |
0%
|
| 3 | year and age - month imputed | 61 |
1.4%
|
| 4 | year and age - year ignored | 0 |
0%
|
| 5 | year - age/month imputed | 6 |
0.1%
|
| 6 | age - year/month imputed | 1 |
0%
|
| 7 | month - age/year imputed | 0 |
0%
|
| 8 | none - all imputed | 0 |
0%
|
| Sysmiss | 2004 |