| Value | Category | Cases | |
|---|---|---|---|
| 0 | 501 |
38.6%
|
|
| 1 | 187 |
14.4%
|
|
| 2 | 60 |
4.6%
|
|
| 3 | 30 |
2.3%
|
|
| 4 | 20 |
1.5%
|
|
| 5 | 11 |
0.8%
|
|
| 6 | 6 |
0.5%
|
|
| 7 | 4 |
0.3%
|
|
| Missing value | 480 |
37%
|