| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
0.1%
|
|
| 1 | 197 |
3.9%
|
|
| 2 | 113 |
2.3%
|
|
| 3 | 42 |
0.8%
|
|
| 4 | 16 |
0.3%
|
|
| 5 | 13 |
0.3%
|
|
| 7 | 3 |
0.1%
|
|
| Missing value | 4628 |
92.2%
|