| Value | Category | Cases | |
|---|---|---|---|
| 0 | 272 |
84.5%
|
|
| 1 | 23 |
7.1%
|
|
| 2 | 8 |
2.5%
|
|
| 3 | 8 |
2.5%
|
|
| 4 | 2 |
0.6%
|
|
| 5 | 2 |
0.6%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 1 |
0.3%
|
|
| Missing value | 5 |
1.6%
|