| Value | Category | Cases | |
|---|---|---|---|
| 0 | 158 |
12.2%
|
|
| 1 | 90 |
6.9%
|
|
| 2 | 22 |
1.7%
|
|
| 3 | 4 |
0.3%
|
|
| 4 | 3 |
0.2%
|
|
| 5 | 2 |
0.2%
|
|
| 7 | 1 |
0.1%
|
|
| Missing value | 1019 |
78.4%
|