| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 618 |
5.8%
|
| 2 | 2 | 29 |
0.3%
|
| 3 | 3 | 2 |
0%
|
| 4 | 4 | 2 |
0%
|
| 5 | 5 | 1 |
0%
|
| 6 | 6 | 1 |
0%
|
| Missing value | 9999 |
93.9%
|