| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 3 |
0.8%
|
| 2 | 1 | 57 |
15.5%
|
| 3 | 2 | 301 |
82%
|
| 4 | 3 | 1 |
0.3%
|
| 5 | 4 | 2 |
0.5%
|
| 6 | 5 | 2 |
0.5%
|
| 7 | 6 | 1 |
0.3%
|
| Missing value | 13 |