| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
1.2%
|
|
| 1 | 70 |
20.2%
|
|
| 2 | 136 |
39.3%
|
|
| 3 | 70 |
20.2%
|
|
| 4 | 38 |
11%
|
|
| 5 | 21 |
6.1%
|
|
| 6 | 5 |
1.4%
|
|
| 7 | 1 |
0.3%
|
|
| 9 | 1 |
0.3%
|
|
| Missing value | 3 |