| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 604 |
45.3%
|
| 2 | 1 | 253 |
19%
|
| 3 | 2 | 158 |
11.9%
|
| 4 | 3 | 112 |
8.4%
|
| 5 | 4 | 59 |
4.4%
|
| 6 | 5 | 48 |
3.6%
|
| 7 | 6 | 23 |
1.7%
|
| 8 | 7 | 72 |
5.4%
|
| Missing value | 3 |
0.2%
|