| Value | Category | Cases | |
|---|---|---|---|
| 0 | 455 |
35%
|
|
| 1 | 113 |
8.7%
|
|
| 2 | 96 |
7.4%
|
|
| 3 | 59 |
4.5%
|
|
| 4 | 25 |
1.9%
|
|
| 5 | 16 |
1.2%
|
|
| 6 | 7 |
0.5%
|
|
| 7 | 48 |
3.7%
|
|
| Missing value | 480 |
37%
|