| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
28.4%
|
|
| 1 | 28 |
34.6%
|
|
| 2 | 6 |
7.4%
|
|
| 3 | 2 |
2.5%
|
|
| 4 | 1 |
1.2%
|
|
| 5 | 4 |
4.9%
|
|
| 6 | 2 |
2.5%
|
|
| 7 | 3 |
3.7%
|
|
| Missing value | 12 |
14.8%
|