| value | category | cases | |
|---|---|---|---|
| 1 | month and year - information complete | 28952 |
78.9%
|
| 2 | month and age - year imputed | 107 |
0.3%
|
| 3 | year and age - month imputed | 0 |
0%
|
| 5 | year - age/month imputed | 5721 |
15.6%
|
| 6 | age - year/month imputed | 926 |
2.5%
|
| 7 | month - age/year imputed | 331 |
0.9%
|
| 8 | none - all imputed | 656 |
1.8%
|
| 11 | .Z | 1291 |