| Value | Category | Cases | |
|---|---|---|---|
| 0 | 176 |
32.1%
|
|
| 1 | 280 |
51%
|
|
| 2 | 59 |
10.7%
|
|
| 3 | 24 |
4.4%
|
|
| 4 | 5 |
0.9%
|
|
| 5 | 1 |
0.2%
|
|
| 6 | 1 |
0.2%
|
|
| 9 | 1 |
0.2%
|
|
| 12 | 1 |
0.2%
|
|
| 14 | 1 |
0.2%
|
|
| Sysmiss | 12 |