| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1 |
0.2%
|
| 2 | 1 | 7 |
1.5%
|
| 3 | 10 | 1 |
0.2%
|
| 4 | 15 | 1 |
0.2%
|
| 5 | 2 | 20 |
4.2%
|
| 6 | 20 | 1 |
0.2%
|
| 7 | 27 | 1 |
0.2%
|
| 8 | 3 | 13 |
2.7%
|
| 9 | 4 | 9 |
1.9%
|
| 10 | 5 | 19 |
4%
|
| 11 | 6 | 5 |
1%
|
| 12 | 7 | 2 |
0.4%
|
| 13 | 8 | 10 |
2.1%
|
| Missing value | 391 |
81.3%
|