| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 9 |
2.2%
|
| 2 | 2 | 6 |
1.5%
|
| 3 | 3 | 25 |
6.1%
|
| 4 | 4 | 27 |
6.6%
|
| 5 | 5 | 51 |
12.5%
|
| 6 | 6 | 16 |
3.9%
|
| 7 | 7 | 18 |
4.4%
|
| 8 | 8 | 9 |
2.2%
|
| 9 | 9 | 4 |
1%
|
| 10 | 10 | 9 |
2.2%
|
| 11 | 11 | 4 |
1%
|
| 12 | 12 | 4 |
1%
|
| 13 | 13 | 1 |
0.2%
|
| 14 | 15 | 2 |
0.5%
|
| 15 | 20 | 1 |
0.2%
|
| 16 | 30 | 1 |
0.2%
|
| Missing value | 221 |
54.2%
|