| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
1%
|
|
| 1 | 238 |
59.6%
|
|
| 2 | 118 |
29.6%
|
|
| 3 | 27 |
6.8%
|
|
| 4 | 10 |
2.5%
|
|
| 5 | 1 |
0.3%
|
|
| 7 | 1 |
0.3%
|
|
| Sysmiss | 1 |