| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 559 |
42%
|
| 2 | 1 | 264 |
19.8%
|
| 3 | 2 | 199 |
14.9%
|
| 4 | 3 | 140 |
10.5%
|
| 5 | 4 | 62 |
4.7%
|
| 6 | 5 | 36 |
2.7%
|
| 7 | 6 | 17 |
1.3%
|
| 8 | 7 | 52 |
3.9%
|
| Missing value | 3 |
0.2%
|