| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1173 |
86.6%
|
|
| 1 | 148 |
10.9%
|
|
| 2 | 20 |
1.5%
|
|
| 3 | 9 |
0.7%
|
|
| 4 | 4 |
0.3%
|
|
| Sysmiss | 146 |