| Value | Category | Cases | |
|---|---|---|---|
| 1 | 210 |
15.4%
|
|
| 2 | 60 |
4.4%
|
|
| 3 | 25 |
1.8%
|
|
| 4 | 7 |
0.5%
|
|
| 6 | 1 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| Missing value | 1057 |
77.7%
|