| Value | Category | Cases | |
|---|---|---|---|
| 0 | 00 not used at all | 192 |
12.2%
|
| 1 | 01 | 19 |
1.2%
|
| 2 | 02 | 47 |
3%
|
| 3 | 03 | 65 |
4.1%
|
| 4 | 04 | 56 |
3.6%
|
| 5 | 05 | 143 |
9.1%
|
| 6 | 06 | 110 |
7%
|
| 7 | 07 | 112 |
7.1%
|
| 8 | 08 | 170 |
10.8%
|
| 9 | 09 | 60 |
3.8%
|
| 10 | 10 used a lot | 85 |
5.4%
|
| 98 | 98 don't know | 0 |
0%
|
| 99 | 99 no answer | 1 |
0.1%
|
| Sysmiss | 515 |
32.7%
|