| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
0.1%
|
|
| 1 | 239 |
4.8%
|
|
| 2 | 267 |
5.3%
|
|
| 3 | 189 |
3.8%
|
|
| 4 | 56 |
1.1%
|
|
| 5 | 32 |
0.6%
|
|
| 6 | 5 |
0.1%
|
|
| 7 | 12 |
0.2%
|
|
| Missing value | 4212 |
83.9%
|