| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 177 |
7.6%
|
| 2 | 1 | 258 |
11%
|
| 3 | 2 | 373 |
15.9%
|
| 4 | 3 or more | 1532 |
65.5%
|
| Sysmiss | 8 |