| Value | Category | Cases | |
|---|---|---|---|
| 0 | 142 |
87.7%
|
|
| 2 | 1 |
0.6%
|
|
| 5 | 3 |
1.9%
|
|
| 8 | 1 |
0.6%
|
|
| 10 | 10 |
6.2%
|
|
| 15 | 2 |
1.2%
|
|
| 18 | 1 |
0.6%
|
|
| 20 | 2 |
1.2%
|
|
| Sysmiss | 1789 |