| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 | 1 |
0.2%
|
| 2 | 12 | 12 |
2.1%
|
| 3 | 3 | 2 |
0.3%
|
| 4 | 4 | 1 |
0.2%
|
| 5 | 6 | 5 |
0.9%
|
| 6 | 7 | 1 |
0.2%
|
| Missing value | 551 |
96.2%
|