| Value | Category | Cases | |
|---|---|---|---|
| 0 | 84 |
4.9%
|
|
| 1 | 247 |
14.3%
|
|
| 2 | 48 |
2.8%
|
|
| 3 | 8 |
0.5%
|
|
| 4 | 1 |
0.1%
|
|
| Missing value | 1335 |
77.5%
|