| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.3%
|
|
| 1 | 25 |
7.9%
|
|
| 2 | 29 |
9.2%
|
|
| 3 | 19 |
6%
|
|
| 4 | 6 |
1.9%
|
|
| 5 | 4 |
1.3%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 1 |
0.3%
|
|
| 9 | 1 |
0.3%
|
|
| Missing value | 228 |
72.4%
|