| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1–2 | 754 |
16.9%
|
| 2 | 3–4 | 930 |
20.9%
|
| 3 | 5–6 | 1089 |
24.5%
|
| 4 | 7–9 | 1149 |
25.8%
|
| 5 | 10–14 | 466 |
10.5%
|
| 6 | 15+ | 44 |
1%
|
| Missing value | 17 |
0.4%
|