| Value | Category | Cases | |
|---|---|---|---|
| 1 | 33 |
9.2%
|
|
| 2 | 29 |
8.1%
|
|
| 3 | 3 |
0.8%
|
|
| 4 | 2 |
0.6%
|
|
| 5 | 3 |
0.8%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 5 |
1.4%
|
|
| Missing value | 284 |
78.9%
|