| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 4 |
1.1%
|
| 2 | 3 | 12 |
3.4%
|
| 3 | 4 | 3 |
0.9%
|
| 4 | 6 | 2 |
0.6%
|
| 5 | 7 | 43 |
12.2%
|
| 6 | 8 | 138 |
39.2%
|
| 7 | 96 | 9 |
2.6%
|
| 8 | 98 | 2 |
0.6%
|
| 9 | 99 | 3 |
0.9%
|
| Missing value | 136 |
38.6%
|