| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.3%
|
|
| 1 | 217 |
71.1%
|
|
| 2 | 69 |
22.6%
|
|
| 3 | 17 |
5.6%
|
|
| 4 | 1 |
0.3%
|
|
| Sysmiss | 1 |