| Value | Category | Cases | |
|---|---|---|---|
| 0 | 302 |
47.8%
|
|
| 1 | 154 |
24.4%
|
|
| 2 | 87 |
13.8%
|
|
| 3 | 59 |
9.3%
|
|
| 4 | 20 |
3.2%
|
|
| 5 | 5 |
0.8%
|
|
| 6 | 2 |
0.3%
|
|
| 18 | 1 |
0.2%
|
|
| Missing value | 2 |
0.3%
|