| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 75 |
4.5%
|
| 0 | No time was spent | 893 |
53.7%
|
| 1 | 10 |
0.6%
|
|
| 2 | 14 |
0.8%
|
|
| 3 | 13 |
0.8%
|
|
| 4 | 4 |
0.2%
|
|
| 5 | 110 |
6.6%
|
|
| 6 | 12 |
0.7%
|
|
| 7 | 21 |
1.3%
|
|
| 8 | 25 |
1.5%
|
|
| 9 | 12 |
0.7%
|
|
| 10 | 168 |
10.1%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 17 |
1%
|
|
| 13 | 3 |
0.2%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 113 |
6.8%
|
|
| 20 | 79 |
4.8%
|
|
| 25 | 16 |
1%
|
|
| 30 | 19 |
1.1%
|
|
| 35 | 4 |
0.2%
|
|
| 40 | 8 |
0.5%
|
|
| 45 | 2 |
0.1%
|
|
| 48 | 1 |
0.1%
|
|
| 50 | 11 |
0.7%
|
|
| 60 | 8 |
0.5%
|
|
| 65 | 1 |
0.1%
|
|
| 70 | 6 |
0.4%
|
|
| 80 | 2 |
0.1%
|
|
| 90 | 2 |
0.1%
|
|
| 95 | 1 |
0.1%
|
|
| 100 | 11 |
0.7%
|