| Value | Category | Cases | |
|---|---|---|---|
| 0 | 285 |
43.3%
|
|
| 1 | 114 |
17.3%
|
|
| 2 | 122 |
18.5%
|
|
| 3 | 77 |
11.7%
|
|
| 4 | 31 |
4.7%
|
|
| 5 | 9 |
1.4%
|
|
| 6 | 3 |
0.5%
|
|
| 7 | 17 |
2.6%
|
|
| Sysmiss | 1193 |