| Value | Category | Cases | |
|---|---|---|---|
| 0 | 24 |
2.7%
|
|
| 1 | 186 |
21.3%
|
|
| 2 | 360 |
41.2%
|
|
| 3 | 72 |
8.2%
|
|
| 4 | 37 |
4.2%
|
|
| 5 | 15 |
1.7%
|
|
| 6 | 4 |
0.5%
|
|
| 7 | 2 |
0.2%
|
|
| 10 | 2 |
0.2%
|
|
| Missing value | 172 |
19.7%
|