| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 8 |
3.6%
|
| 2 | 2 | 1 |
0.5%
|
| 3 | 3 | 2 |
0.9%
|
| 4 | 4 | 4 |
1.8%
|
| 5 | 6 | 5 |
2.3%
|
| 6 | 7 | 10 |
4.5%
|
| 7 | 8 | 1 |
0.5%
|
| 8 | 9 | 1 |
0.5%
|
| 9 | 10 | 1 |
0.5%
|
| 10 | 11 | 1 |
0.5%
|
| 11 | 15 | 1 |
0.5%
|
| 12 | 16 | 1 |
0.5%
|
| Missing value | 186 |
83.8%
|