| Value | Category | Cases | |
|---|---|---|---|
| 0 | 59 |
8.8%
|
|
| 1 | 24 |
3.6%
|
|
| 2 | 32 |
4.8%
|
|
| 3 | 10 |
1.5%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 1 |
0.1%
|
|
| 6 | 1 |
0.1%
|
|
| Missing value | 539 |
80.8%
|