| Value | Category | Cases | |
|---|---|---|---|
| 0 | 146 |
45.3%
|
|
| 1 | 72 |
22.4%
|
|
| 2 | 46 |
14.3%
|
|
| 3 | 20 |
6.2%
|
|
| 4 | 14 |
4.3%
|
|
| 5 | 3 |
0.9%
|
|
| 6 | 2 |
0.6%
|
|
| 7 | 13 |
4%
|
|
| Missing value | 6 |
1.9%
|