| Value | Category | Cases | |
|---|---|---|---|
| 0 | 628 |
33%
|
|
| 1 | 232 |
12.2%
|
|
| 2 | 489 |
25.7%
|
|
| 3 | 314 |
16.5%
|
|
| 4 | 117 |
6.2%
|
|
| 5 | 75 |
3.9%
|
|
| 6 | 13 |
0.7%
|
|
| 7 | 34 |
1.8%
|
|
| Missing value | 440 |