| Value | Category | Cases | |
|---|---|---|---|
| 0 | 331 |
76.1%
|
|
| 1 | 60 |
13.8%
|
|
| 2 | 18 |
4.1%
|
|
| 3 | 16 |
3.7%
|
|
| 4 | 5 |
1.1%
|
|
| 6 | 1 |
0.2%
|
|
| 11 | 1 |
0.2%
|
|
| 18 | 1 |
0.2%
|
|
| 23 | 1 |
0.2%
|
|
| 24 | 1 |
0.2%
|
|
| Sysmiss | 1135 |