| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1 |
0.1%
|
| 2 | 1 | 2 |
0.2%
|
| 3 | 4 | 4 |
0.4%
|
| 4 | 5 | 1 |
0.1%
|
| 5 | 6 | 1 |
0.1%
|
| 6 | 12 | 2 |
0.2%
|
| 7 | 30 | 1 |
0.1%
|
| Missing value | 891 |
98.7%
|