| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 |
0.7%
|
|
| 2 | 4 |
0.3%
|
|
| 3 | 4 |
0.3%
|
|
| 6 | 1 |
0.1%
|
|
| 15 | 1 |
0.1%
|
|
| Missing value | 1470 |
98.6%
|