| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 55 |
2.8%
|
| 1 | 50 |
2.6%
|
|
| 2 | 7 |
0.4%
|
|
| 3 | 1 |
0.1%
|
|
| 99 | not applicable | 1821 |
94.2%
|
| 9999995 | missing:impute | 0 |
0%
|
| Sysmiss | 1683 |