| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 253 |
13.1%
|
| 1 | 309 |
16%
|
|
| 2 | 54 |
2.8%
|
|
| 3 | 8 |
0.4%
|
|
| 99 | not applicable | 1310 |
67.7%
|
| 9999995 | missing:impute | 0 |
0%
|
| Sysmiss | 1683 |