| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 86 |
7.8%
|
| 0 | No time was spent | 366 |
33.4%
|
| 1 | 104 |
9.5%
|
|
| 2 | 85 |
7.8%
|
|
| 3 | 47 |
4.3%
|
|
| 4 | 26 |
2.4%
|
|
| 5 | 81 |
7.4%
|
|
| 6 | 6 |
0.5%
|
|
| 7 | 8 |
0.7%
|
|
| 8 | 7 |
0.6%
|
|
| 9 | 3 |
0.3%
|
|
| 10 | 104 |
9.5%
|
|
| 11 | 2 |
0.2%
|
|
| 12 | 8 |
0.7%
|
|
| 15 | 31 |
2.8%
|
|
| 16 | 2 |
0.2%
|
|
| 18 | 2 |
0.2%
|
|
| 20 | 26 |
2.4%
|
|
| 22 | 1 |
0.1%
|
|
| 24 | 14 |
1.3%
|
|
| 25 | 12 |
1.1%
|
|
| 30 | 9 |
0.8%
|
|
| 34 | 1 |
0.1%
|
|
| 35 | 1 |
0.1%
|
|
| 40 | 3 |
0.3%
|
|
| 42 | 1 |
0.1%
|
|
| 45 | 2 |
0.2%
|
|
| 46 | 1 |
0.1%
|
|
| 48 | 7 |
0.6%
|
|
| 50 | 7 |
0.6%
|
|
| 54 | 1 |
0.1%
|
|
| 56 | 1 |
0.1%
|
|
| 60 | 2 |
0.2%
|
|
| 70 | 3 |
0.3%
|
|
| 72 | 3 |
0.3%
|
|
| 78 | 2 |
0.2%
|
|
| 80 | 3 |
0.3%
|
|
| 85 | 2 |
0.2%
|
|
| 90 | 1 |
0.1%
|
|
| 95 | 3 |
0.3%
|
|
| 96 | 2 |
0.2%
|
|
| 98 | 1 |
0.1%
|
|
| 100 | 19 |
1.7%
|