| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
8.6%
|
| 0 | No time was spent | 82 |
50.6%
|
| 1 | 2 |
1.2%
|
|
| 2 | 7 |
4.3%
|
|
| 3 | 11 |
6.8%
|
|
| 4 | 1 |
0.6%
|
|
| 5 | 11 |
6.8%
|
|
| 6 | 2 |
1.2%
|
|
| 8 | 2 |
1.2%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | 7 |
4.3%
|
|
| 14 | 1 |
0.6%
|
|
| 24 | 4 |
2.5%
|
|
| 25 | 2 |
1.2%
|
|
| 30 | 6 |
3.7%
|
|
| 50 | 1 |
0.6%
|
|
| 60 | 7 |
4.3%
|
|
| 90 | 1 |
0.6%
|