| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 22 |
2.6%
|
| 0 | No time was spent | 389 |
45.8%
|
| 1 | 67 |
7.9%
|
|
| 2 | 53 |
6.2%
|
|
| 3 | 21 |
2.5%
|
|
| 4 | 4 |
0.5%
|
|
| 5 | 103 |
12.1%
|
|
| 6 | 2 |
0.2%
|
|
| 7 | 1 |
0.1%
|
|
| 8 | 2 |
0.2%
|
|
| 10 | 104 |
12.2%
|
|
| 12 | 1 |
0.1%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 24 |
2.8%
|
|
| 20 | 27 |
3.2%
|
|
| 25 | 2 |
0.2%
|
|
| 30 | 17 |
2%
|
|
| 35 | 1 |
0.1%
|
|
| 36 | 1 |
0.1%
|
|
| 40 | 4 |
0.5%
|
|
| 50 | 2 |
0.2%
|
|
| 95 | 1 |
0.1%
|
|
| 100 | 1 |
0.1%
|