| Value | Category | Cases | |
|---|---|---|---|
| 0 | 502 |
79.4%
|
|
| 1 | 104 |
16.5%
|
|
| 2 | 20 |
3.2%
|
|
| 3 | 2 |
0.3%
|
|
| 4 | 2 |
0.3%
|
|
| Missing value | 2 |
0.3%
|