| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 151 |
5.7%
|
| 2 | 1 | 211 |
8%
|
| 3 | 2 | 363 |
13.7%
|
| 4 | 3 or more | 1928 |
72.7%
|
| Sysmiss | 26 |