| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | No time was spent | 6 |
3.7%
|
| 2 | 3 |
1.8%
|
|
| 5 | 5 |
3.1%
|
|
| 10 | 15 |
9.2%
|
|
| 11 | 6 |
3.7%
|
|
| 12 | 13 |
8%
|
|
| 13 | 2 |
1.2%
|
|
| 14 | 10 |
6.1%
|
|
| 15 | 11 |
6.7%
|
|
| 16 | 9 |
5.5%
|
|
| 17 | 2 |
1.2%
|
|
| 18 | 5 |
3.1%
|
|
| 19 | 6 |
3.7%
|
|
| 20 | 7 |
4.3%
|
|
| 21 | 2 |
1.2%
|
|
| 23 | 1 |
0.6%
|
|
| 24 | 12 |
7.4%
|
|
| 25 | 19 |
11.7%
|
|
| 26 | 3 |
1.8%
|
|
| 28 | 2 |
1.2%
|
|
| 30 | 3 |
1.8%
|
|
| 31 | 1 |
0.6%
|
|
| 35 | 3 |
1.8%
|
|
| 48 | 17 |
10.4%
|