| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
0.5%
|
|
| 1 | 2 |
0.3%
|
|
| 3 | 3 |
0.5%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 3 |
0.5%
|
|
| 50 | 33 |
5.1%
|
|
| 60 | 1 |
0.2%
|
|
| 280 | 1 |
0.2%
|
|
| Missing value | 598 |
92.7%
|