| Value | Category | Cases | |
|---|---|---|---|
| 0 | 257 |
38.8%
|
|
| 1 | 230 |
34.7%
|
|
| 2 | 119 |
17.9%
|
|
| 3 | 33 |
5%
|
|
| 4 | 17 |
2.6%
|
|
| 5 | 1 |
0.2%
|
|
| 7 | 6 |
0.9%
|
|
| Sysmiss | 1 |