| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.2%
|
|
| 1 | 439 |
81.1%
|
|
| 2 | 23 |
4.3%
|
|
| 3 | 8 |
1.5%
|
|
| Missing value | 70 |
12.9%
|