| Value | Category | Cases | |
|---|---|---|---|
| 0 | 517 |
83.3%
|
|
| 1 | 41 |
6.6%
|
|
| 2 | 29 |
4.7%
|
|
| 3 | 12 |
1.9%
|
|
| 4 | 4 |
0.6%
|
|
| 5 | 1 |
0.2%
|
|
| 7 | 4 |
0.6%
|
|
| Missing value | 13 |
2.1%
|