| Value | Category | Cases | |
|---|---|---|---|
| 0 | 453 |
32.6%
|
|
| 1 | 741 |
53.3%
|
|
| 2 | 162 |
11.7%
|
|
| 3 | 23 |
1.7%
|
|
| 4 | 7 |
0.5%
|
|
| 5 | 3 |
0.2%
|
|
| Missing value | 38 |