| Value | Category | Cases | |
|---|---|---|---|
| 2 | 2 |
0.3%
|
|
| 3 | 7 |
1.2%
|
|
| 4 | 17 |
2.9%
|
|
| 5 | 15 |
2.6%
|
|
| 6 | 13 |
2.2%
|
|
| 7 | 10 |
1.7%
|
|
| 8 | 9 |
1.5%
|
|
| 9 | 3 |
0.5%
|
|
| 10 | 3 |
0.5%
|
|
| 11 | 4 |
0.7%
|
|
| 12 | 2 |
0.3%
|
|
| Missing value | 498 |
85.4%
|