| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 110 |
5%
|
| 2 | 1 | 206 |
9.3%
|
| 3 | 2 | 346 |
15.6%
|
| 4 | 3 or more | 1557 |
70.2%
|
| Sysmiss | 35 |