| Value | Category | Cases | |
|---|---|---|---|
| 0 | no data from individual file | 929 |
62.6%
|
| 1 | month and year - information complete | 536 |
36.1%
|
| 2 | month and age - year imputed | 0 |
0%
|
| 3 | year and age - month imputed | 16 |
1.1%
|
| 4 | year and age - year ignored | 0 |
0%
|
| 5 | year - age/month imputed | 4 |
0.3%
|
| 6 | age - year/month imputed | 0 |
0%
|
| 7 | month - age/year imputed | 0 |
0%
|
| 8 | none - all imputed | 0 |
0%
|
| Sysmiss | 4996 |