| Value | Category | Cases | |
|---|---|---|---|
| 0 | 197 |
19.7%
|
|
| 1 | 736 |
73.7%
|
|
| 4 | 14 |
1.4%
|
|
| 6 | 2 |
0.2%
|
|
| 7 | 29 |
2.9%
|
|
| 8 | 1 |
0.1%
|
|
| 9 | 19 |
1.9%
|
|
| Missing value | 2345 |