| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 |
0.9%
|
|
| 2 | 3 |
1.3%
|
|
| 3 | 3 |
1.3%
|
|
| 4 | 6 |
2.6%
|
|
| 5 | 8 |
3.4%
|
|
| 6 | 8 |
3.4%
|
|
| 7 | 4 |
1.7%
|
|
| 8 | 6 |
2.6%
|
|
| 9 | 1 |
0.4%
|
|
| Missing value | 193 |
82.5%
|