| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 175 |
9.1%
|
| 2 | 2 | 49 |
2.5%
|
| 3 | 3 | 118 |
6.1%
|
| 4 | 4 | 31 |
1.6%
|
| 5 | 5 | 79 |
4.1%
|
| 6 | 96 | 3 |
0.2%
|
| 7 | 98 | 3 |
0.2%
|
| Missing value | 1474 |
76.3%
|