| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 268 |
2.8%
|
| 2 | 2 | 282 |
2.9%
|
| 3 | 3 | 517 |
5.3%
|
| 4 | 4 | 837 |
8.7%
|
| 5 | 5 | 1081 |
11.2%
|
| 6 | 6 | 1074 |
11.1%
|
| 7 | 7 | 1286 |
13.3%
|
| 8 | 8 | 1492 |
15.4%
|
| 9 | 9+ | 2775 |
28.7%
|
| Missing value | 63 |
0.7%
|