| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
2.6%
|
|
| 1 | 163 |
30.1%
|
|
| 2 | 259 |
47.9%
|
|
| 3 | 73 |
13.5%
|
|
| 4 | 20 |
3.7%
|
|
| 5 | 10 |
1.8%
|
|
| 6 | 1 |
0.2%
|
|
| Missing value | 1 |
0.2%
|