| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
2.5%
|
|
| 1 | 308 |
39.2%
|
|
| 2 | 326 |
41.5%
|
|
| 3 | 81 |
10.3%
|
|
| 4 | 36 |
4.6%
|
|
| 5 | 10 |
1.3%
|
|
| 6 | 3 |
0.4%
|
|
| 7 | 2 |
0.3%
|
|
| Missing value | 1089 |