| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 63 |
6.2%
|
| 2 | 1 | 98 |
9.6%
|
| 3 | 2 | 140 |
13.7%
|
| 4 | 3 or more | 719 |
70.5%
|
| Sysmiss | 1 |