| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 36 |
7.6%
|
| 0 | No time was spent | 106 |
22.4%
|
| 1 | 18 |
3.8%
|
|
| 2 | 22 |
4.6%
|
|
| 3 | 20 |
4.2%
|
|
| 4 | 5 |
1.1%
|
|
| 5 | 39 |
8.2%
|
|
| 6 | 5 |
1.1%
|
|
| 7 | 1 |
0.2%
|
|
| 8 | 6 |
1.3%
|
|
| 10 | 87 |
18.4%
|
|
| 12 | 5 |
1.1%
|
|
| 15 | 25 |
5.3%
|
|
| 16 | 4 |
0.8%
|
|
| 20 | 38 |
8%
|
|
| 24 | 5 |
1.1%
|
|
| 25 | 5 |
1.1%
|
|
| 26 | 1 |
0.2%
|
|
| 30 | 18 |
3.8%
|
|
| 32 | 1 |
0.2%
|
|
| 35 | 1 |
0.2%
|
|
| 38 | 1 |
0.2%
|
|
| 40 | 8 |
1.7%
|
|
| 45 | 1 |
0.2%
|
|
| 48 | 1 |
0.2%
|
|
| 50 | 6 |
1.3%
|
|
| 60 | 1 |
0.2%
|
|
| 70 | 1 |
0.2%
|
|
| 80 | 3 |
0.6%
|
|
| 85 | 1 |
0.2%
|
|
| 100 | 3 |
0.6%
|