| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 1 |
0.7%
|
| 0 | 114 |
77%
|
|
| 1 | 5 |
3.4%
|
|
| 2 | 5 |
3.4%
|
|
| 3 | 9 |
6.1%
|
|
| 5 | 4 |
2.7%
|
|
| 7 | 2 |
1.4%
|
|
| 10 | 5 |
3.4%
|
|
| 15 | 1 |
0.7%
|
|
| 20 | 2 |
1.4%
|