| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
0.5%
|
| 0 | No time was spent | 92 |
15.3%
|
| 1 | 49 |
8.2%
|
|
| 2 | 81 |
13.5%
|
|
| 3 | 58 |
9.7%
|
|
| 4 | 26 |
4.3%
|
|
| 5 | 76 |
12.7%
|
|
| 6 | 8 |
1.3%
|
|
| 7 | 8 |
1.3%
|
|
| 8 | 17 |
2.8%
|
|
| 10 | 74 |
12.3%
|
|
| 12 | 1 |
0.2%
|
|
| 13 | 1 |
0.2%
|
|
| 15 | 21 |
3.5%
|
|
| 17 | 1 |
0.2%
|
|
| 19 | 1 |
0.2%
|
|
| 20 | 30 |
5%
|
|
| 22 | 1 |
0.2%
|
|
| 24 | 1 |
0.2%
|
|
| 25 | 8 |
1.3%
|
|
| 30 | 8 |
1.3%
|
|
| 35 | 1 |
0.2%
|
|
| 36 | 1 |
0.2%
|
|
| 40 | 10 |
1.7%
|
|
| 42 | 1 |
0.2%
|
|
| 45 | 2 |
0.3%
|
|
| 50 | 6 |
1%
|
|
| 54 | 1 |
0.2%
|
|
| 55 | 2 |
0.3%
|
|
| 56 | 1 |
0.2%
|
|
| 60 | 6 |
1%
|
|
| 66 | 1 |
0.2%
|
|
| 70 | 2 |
0.3%
|
|
| 80 | 1 |
0.2%
|