| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 20 |
9%
|
| 2 | 2 | 8 |
3.6%
|
| 3 | 3 | 6 |
2.7%
|
| 4 | 99 | 2 |
0.9%
|
| Missing value | 186 |
83.8%
|