| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 121 |
13.4%
|
| 2 | 2 | 479 |
53%
|
| 3 | 3 | 135 |
15%
|
| 4 | 4 | 83 |
9.2%
|
| 5 | 5 | 37 |
4.1%
|
| 6 | 6 | 26 |
2.9%
|
| 7 | 7 | 6 |
0.7%
|
| 8 | 8 | 4 |
0.4%
|
| 9 | 9 | 1 |
0.1%
|
| Missing value | 11 |
1.2%
|