| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 35 |
2.2%
|
| 2 | 1 | 114 |
7.3%
|
| 3 | 2 | 162 |
10.4%
|
| 4 | 3 or more | 1250 |
80.1%
|
| Sysmiss | 21 |