| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 0 |
0%
|
| 1 | 1 | 36 |
1.3%
|
| 2 | 2 | 538 |
19.7%
|
| 3 | 3 | 225 |
8.2%
|
| 4 | > 3 | 1935 |
70.8%
|
| Sysmiss | 593 |