| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 16 |
3.8%
|
| 2 | 2 | 19 |
4.5%
|
| 3 | 3 | 13 |
3.1%
|
| 4 | 4 | 9 |
2.1%
|
| 5 | 5 | 10 |
2.4%
|
| 6 | 6 | 8 |
1.9%
|
| 7 | 7 | 2 |
0.5%
|
| 8 | 8 | 1 |
0.2%
|
| 9 | 9 | 1 |
0.2%
|
| Missing value | 343 |
81.3%
|