| Value | Category | Cases | |
|---|---|---|---|
| 0 | 42 |
37.2%
|
|
| 1 | 26 |
23%
|
|
| 2 | 16 |
14.2%
|
|
| 3 | 11 |
9.7%
|
|
| 5 | 7 |
6.2%
|
|
| 6 | 3 |
2.7%
|
|
| 8 | 1 |
0.9%
|
|
| 10 | 2 |
1.8%
|
|
| 11 | 1 |
0.9%
|
|
| 13 | 1 |
0.9%
|
|
| 15 | 1 |
0.9%
|
|
| 20 | 2 |
1.8%
|
|
| Sysmiss | 2019 |