| Value | Category | Cases | |
|---|---|---|---|
| 0 | 00 not used at all | 432 |
28.6%
|
| 1 | 01 | 40 |
2.6%
|
| 2 | 02 | 87 |
5.8%
|
| 3 | 03 | 70 |
4.6%
|
| 4 | 04 | 68 |
4.5%
|
| 5 | 05 | 153 |
10.1%
|
| 6 | 06 | 71 |
4.7%
|
| 7 | 07 | 55 |
3.6%
|
| 8 | 08 | 40 |
2.6%
|
| 9 | 09 | 6 |
0.4%
|
| 10 | 10 used a lot | 17 |
1.1%
|
| 98 | 98 don't know | 3 |
0.2%
|
| 99 | 99 no answer | 3 |
0.2%
|
| Sysmiss | 467 |
30.9%
|