| Value | Category | Cases | |
|---|---|---|---|
| 0 | 112 |
2.8%
|
|
| 1 | 240 |
6.1%
|
|
| 2 | 63 |
1.6%
|
|
| 3 | 8 |
0.2%
|
|
| 5 | 2 |
0.1%
|
|
| 6 | 1 |
0%
|
|
| Missing value | 3505 |
89.2%
|