| Value | Category | Cases | |
|---|---|---|---|
| 0 | 9 |
4.5%
|
|
| 1 | 7 |
3.5%
|
|
| 2 | 6 |
3%
|
|
| 3 | 3 |
1.5%
|
|
| 4 | 1 |
0.5%
|
|
| 5 | 1 |
0.5%
|
|
| 6 | 2 |
1%
|
|
| 8 | 3 |
1.5%
|
|
| 10 | 4 |
2%
|
|
| 12 | 2 |
1%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 1 |
0.5%
|
|
| 35 | 1 |
0.5%
|
|
| 56 | 1 |
0.5%
|
|
| Missing value | 156 |
78.8%
|