| Value | Category | Cases | |
|---|---|---|---|
| 0 | 544 |
30.4%
|
|
| 1 | 830 |
46.4%
|
|
| 2 | 310 |
17.3%
|
|
| 3 | 86 |
4.8%
|
|
| 4 | 15 |
0.8%
|
|
| 5 | 2 |
0.1%
|
|
| 7 | 1 |
0.1%
|
|
| Missing value | 467 |