| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 28 |
0.3%
|
| 0 | No time was spent | 2120 |
22.6%
|
| 1 | 1025 |
10.9%
|
|
| 2 | 620 |
6.6%
|
|
| 3 | 245 |
2.6%
|
|
| 4 | 100 |
1.1%
|
|
| 5 | 1070 |
11.4%
|
|
| 6 | 223 |
2.4%
|
|
| 7 | 115 |
1.2%
|
|
| 8 | 483 |
5.2%
|
|
| 9 | 123 |
1.3%
|
|
| 10 | 651 |
6.9%
|
|
| 11 | 11 |
0.1%
|
|
| 12 | 63 |
0.7%
|
|
| 13 | 6 |
0.1%
|
|
| 14 | 4 |
0%
|
|
| 15 | 223 |
2.4%
|
|
| 16 | 4 |
0%
|
|
| 18 | 3 |
0%
|
|
| 20 | 388 |
4.1%
|
|
| 22 | 3 |
0%
|
|
| 23 | 1 |
0%
|
|
| 24 | 2 |
0%
|
|
| 25 | 151 |
1.6%
|
|
| 28 | 1 |
0%
|
|
| 30 | 199 |
2.1%
|
|
| 33 | 39 |
0.4%
|
|
| 34 | 1 |
0%
|
|
| 35 | 22 |
0.2%
|
|
| 40 | 229 |
2.4%
|
|
| 45 | 6 |
0.1%
|
|
| 48 | 2 |
0%
|
|
| 50 | 275 |
2.9%
|
|
| 55 | 7 |
0.1%
|
|
| 56 | 3 |
0%
|
|
| 58 | 1 |
0%
|
|
| 59 | 1 |
0%
|
|
| 60 | 179 |
1.9%
|
|
| 62 | 1 |
0%
|
|
| 65 | 28 |
0.3%
|
|
| 67 | 1 |
0%
|
|
| 70 | 67 |
0.7%
|
|
| 72 | 1 |
0%
|
|
| 75 | 49 |
0.5%
|
|
| 80 | 156 |
1.7%
|
|
| 85 | 15 |
0.2%
|
|
| 90 | 50 |
0.5%
|
|
| 95 | 5 |
0.1%
|
|
| 98 | 3 |
0%
|
|
| 100 | 373 |
4%
|