| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 270 |
19.8%
|
| 2 | 2 | 159 |
11.7%
|
| 3 | 3 | 202 |
14.8%
|
| 4 | 4 | 218 |
16%
|
| 5 | 5 | 157 |
11.5%
|
| 6 | 6 | 98 |
7.2%
|
| 7 | 7 | 44 |
3.2%
|
| 8 | 8 | 13 |
1%
|
| 9 | 9+ | 46 |
3.4%
|
| Missing value | 154 |
11.3%
|