| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 214 |
11%
|
| 2 | 1 | 211 |
10.9%
|
| 3 | 2 | 315 |
16.2%
|
| 4 | 3 or more | 1199 |
61.8%
|
| Sysmiss | 31 |