| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 155 |
8.7%
|
| 2 | 2 | 37 |
2.1%
|
| 3 | 3 | 12 |
0.7%
|
| 4 | 4 | 2 |
0.1%
|
| 5 | 6 | 1 |
0.1%
|
| Missing value | 1571 |
88.4%
|