| Value | Category | Cases | |
|---|---|---|---|
| 0 | 503 |
44.4%
|
|
| 1 | 20 |
1.8%
|
|
| 2 | 154 |
13.6%
|
|
| 3 | 140 |
12.3%
|
|
| 4 | 64 |
5.6%
|
|
| 5 | 43 |
3.8%
|
|
| 6 | 13 |
1.1%
|
|
| 7 | 194 |
17.1%
|
|
| Missing value | 3 |
0.3%
|