| Value | Category | Cases | |
|---|---|---|---|
| 0 | 195 |
28.6%
|
|
| 1 | 155 |
22.7%
|
|
| 2 | 215 |
31.5%
|
|
| 3 | 74 |
10.9%
|
|
| 4 | 3 |
0.4%
|
|
| 23 | 1 |
0.1%
|
|
| Missing value | 39 |
5.7%
|