| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 67 |
3.7%
|
| 2 | 2 | 8 |
0.4%
|
| 3 | 3 | 1 |
0.1%
|
| 4 | 4 | 5 |
0.3%
|
| 5 | 5 | 7 |
0.4%
|
| 6 | 6 | 2 |
0.1%
|
| 7 | 8 | 1 |
0.1%
|
| Missing value | 1704 |
94.9%
|