| Value | Category | Cases | |
|---|---|---|---|
| 0 | 174 |
47.5%
|
|
| 1 | 134 |
36.6%
|
|
| 2 | 42 |
11.5%
|
|
| 3 | 9 |
2.5%
|
|
| 4 | 5 |
1.4%
|
|
| 5 | 1 |
0.3%
|
|
| 6 | 1 |
0.3%
|
|
| Sysmiss | 1905 |