| Value | Category | Cases | |
|---|---|---|---|
| 0 | 165 |
7.4%
|
|
| 1 | 1515 |
67.7%
|
|
| 2 | 430 |
19.2%
|
|
| 3 | 99 |
4.4%
|
|
| 4 | 22 |
1%
|
|
| 5 | 6 |
0.3%
|
|
| 7 | 1 |
0%
|
|
| Missing value | 17 |