| Value | Category | Cases | |
|---|---|---|---|
| 0 | 154 |
77%
|
|
| 1 | 17 |
8.5%
|
|
| 2 | 15 |
7.5%
|
|
| 3 | 5 |
2.5%
|
|
| 4 | 3 |
1.5%
|
|
| 6 | 3 |
1.5%
|
|
| 10 | 1 |
0.5%
|
|
| 20 | 2 |
1%
|
|
| Sysmiss | 1800 |