| Value | Category | Cases | |
|---|---|---|---|
| 0 | 168 |
20.9%
|
|
| 1 | 259 |
32.2%
|
|
| 2 | 230 |
28.6%
|
|
| 3 | 93 |
11.6%
|
|
| 4 | 42 |
5.2%
|
|
| 5 | 11 |
1.4%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 1 |
0.1%
|
|
| Missing value | 24 |