| Value | Category | Cases | |
|---|---|---|---|
| 0 | 218 |
13.5%
|
|
| 1 | 501 |
31%
|
|
| 2 | 595 |
36.8%
|
|
| 3 | 196 |
12.1%
|
|
| 4 | 64 |
4%
|
|
| 5 | 25 |
1.5%
|
|
| 6 | 8 |
0.5%
|
|
| 7 | 2 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| Missing value | 5 |
0.3%
|