| Value | Category | Cases | |
|---|---|---|---|
| 0 | 97 |
11.6%
|
|
| 1 | 4 |
0.5%
|
|
| 2 | 19 |
2.3%
|
|
| 3 | 91 |
10.9%
|
|
| 4 | 144 |
17.2%
|
|
| 5 | 145 |
17.3%
|
|
| 6 | 81 |
9.7%
|
|
| 7 | 244 |
29.2%
|
|
| Missing value | 11 |
1.3%
|