| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 198 |
11.5%
|
| 0 | No time was spent | 345 |
20%
|
| 1 | 110 |
6.4%
|
|
| 2 | 103 |
6%
|
|
| 3 | 21 |
1.2%
|
|
| 4 | 17 |
1%
|
|
| 5 | 114 |
6.6%
|
|
| 6 | 6 |
0.3%
|
|
| 7 | 4 |
0.2%
|
|
| 8 | 7 |
0.4%
|
|
| 9 | 1 |
0.1%
|
|
| 10 | 164 |
9.5%
|
|
| 11 | 5 |
0.3%
|
|
| 12 | 19 |
1.1%
|
|
| 13 | 2 |
0.1%
|
|
| 14 | 2 |
0.1%
|
|
| 15 | 85 |
4.9%
|
|
| 16 | 10 |
0.6%
|
|
| 17 | 5 |
0.3%
|
|
| 18 | 8 |
0.5%
|
|
| 19 | 6 |
0.3%
|
|
| 20 | 166 |
9.6%
|
|
| 21 | 4 |
0.2%
|
|
| 22 | 7 |
0.4%
|
|
| 23 | 5 |
0.3%
|
|
| 24 | 1 |
0.1%
|
|
| 25 | 43 |
2.5%
|
|
| 26 | 1 |
0.1%
|
|
| 30 | 97 |
5.6%
|
|
| 33 | 1 |
0.1%
|
|
| 35 | 15 |
0.9%
|
|
| 40 | 61 |
3.5%
|
|
| 45 | 2 |
0.1%
|
|
| 48 | 3 |
0.2%
|
|
| 50 | 28 |
1.6%
|
|
| 60 | 14 |
0.8%
|
|
| 70 | 5 |
0.3%
|
|
| 75 | 2 |
0.1%
|
|
| 80 | 6 |
0.3%
|
|
| 85 | 1 |
0.1%
|
|
| 90 | 1 |
0.1%
|
|
| 100 | 30 |
1.7%
|