| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
7.3%
|
|
| 1 | 53 |
29.6%
|
|
| 2 | 50 |
27.9%
|
|
| 3 | 35 |
19.6%
|
|
| 4 | 14 |
7.8%
|
|
| 5 | 9 |
5%
|
|
| 6 | 3 |
1.7%
|
|
| 7 | 1 |
0.6%
|
|
| 8 | 1 |
0.6%
|
|
| Missing value | 179 |