| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 42 |
28.4%
|
| 0 | no time spent | 9 |
6.1%
|
| 1 | 27 |
18.2%
|
|
| 2 | 17 |
11.5%
|
|
| 3 | 21 |
14.2%
|
|
| 4 | 14 |
9.5%
|
|
| 5 | 7 |
4.7%
|
|
| 6 | 1 |
0.7%
|
|
| 10 | 2 |
1.4%
|
|
| 15 | 1 |
0.7%
|
|
| 28 | 1 |
0.7%
|
|
| 50 | 1 |
0.7%
|
|
| 70 | 2 |
1.4%
|
|
| 80 | 1 |
0.7%
|
|
| 100 | 2 |
1.4%
|