| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 359 |
6.2%
|
| 2 | 1 | 460 |
7.9%
|
| 3 | 2 | 636 |
11%
|
| 4 | 3 or more | 4347 |
74.9%
|
| Sysmiss | 92 |