| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.3%
|
|
| 1 | 168 |
48.7%
|
|
| 2 | 92 |
26.7%
|
|
| 3 | 19 |
5.5%
|
|
| 4 | 44 |
12.8%
|
|
| 5 | 1 |
0.3%
|
|
| 6 | 1 |
0.3%
|
|
| 8 | 18 |
5.2%
|
|
| 9 | 1 |
0.3%
|
|
| Missing value | 20 |