| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | No time was spent | 16 |
6.5%
|
| 1 | 16 |
6.5%
|
|
| 2 | 45 |
18.3%
|
|
| 3 | 26 |
10.6%
|
|
| 4 | 4 |
1.6%
|
|
| 5 | 35 |
14.2%
|
|
| 6 | 2 |
0.8%
|
|
| 7 | 1 |
0.4%
|
|
| 8 | 6 |
2.4%
|
|
| 10 | 35 |
14.2%
|
|
| 12 | 1 |
0.4%
|
|
| 15 | 11 |
4.5%
|
|
| 16 | 3 |
1.2%
|
|
| 20 | 11 |
4.5%
|
|
| 24 | 2 |
0.8%
|
|
| 25 | 2 |
0.8%
|
|
| 30 | 8 |
3.3%
|
|
| 32 | 2 |
0.8%
|
|
| 37 | 1 |
0.4%
|
|
| 40 | 4 |
1.6%
|
|
| 42 | 1 |
0.4%
|
|
| 45 | 1 |
0.4%
|
|
| 48 | 4 |
1.6%
|
|
| 50 | 3 |
1.2%
|
|
| 70 | 3 |
1.2%
|
|
| 72 | 3 |
1.2%
|