| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 428 |
82.3%
|
| 2 | 2 | 35 |
6.7%
|
| 3 | 3 | 26 |
5%
|
| 4 | 4 | 18 |
3.5%
|
| 5 | 5 | 3 |
0.6%
|
| 6 | 7+ | 8 |
1.5%
|
| Missing value | 2 |
0.4%
|