| Value | Category | Cases | |
|---|---|---|---|
| 0 | 356 |
11.6%
|
|
| 1 | 161 |
5.3%
|
|
| 2 | 300 |
9.8%
|
|
| 3 | 229 |
7.5%
|
|
| 4 | 79 |
2.6%
|
|
| 5 | 68 |
2.2%
|
|
| 6 | 19 |
0.6%
|
|
| 7 | 155 |
5.1%
|
|
| Missing value | 1691 |
55.3%
|