| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.5%
|
|
| 1 | 153 |
36.3%
|
|
| 2 | 54 |
12.8%
|
|
| 3 | 2 |
0.5%
|
|
| 4 | 1 |
0.2%
|
|
| Missing value | 210 |
49.8%
|