| Value | Category | Cases | |
|---|---|---|---|
| 0 | 124 |
35.5%
|
|
| 1 | 56 |
16%
|
|
| 2 | 42 |
12%
|
|
| 3 | 13 |
3.7%
|
|
| 4 | 2 |
0.6%
|
|
| 5 | 4 |
1.1%
|
|
| 7 | 12 |
3.4%
|
|
| Missing value | 96 |
27.5%
|