| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6 |
0.8%
|
|
| 2 | 14 |
1.8%
|
|
| 3 | 30 |
3.9%
|
|
| 4 | 57 |
7.4%
|
|
| 5 | 48 |
6.2%
|
|
| 6 | 43 |
5.6%
|
|
| 7 | 44 |
5.7%
|
|
| 8 | 41 |
5.3%
|
|
| 9 | 21 |
2.7%
|
|
| 10 | 15 |
1.9%
|
|
| 11 | 4 |
0.5%
|
|
| 12 | 9 |
1.2%
|
|
| 13 | 6 |
0.8%
|
|
| Missing value | 434 |
56.2%
|