| Value | Category | Cases | |
|---|---|---|---|
| 0 | 00 not used at all | 320 |
21.2%
|
| 1 | 01 | 37 |
2.4%
|
| 2 | 02 | 89 |
5.9%
|
| 3 | 03 | 80 |
5.3%
|
| 4 | 04 | 62 |
4.1%
|
| 5 | 05 | 132 |
8.7%
|
| 6 | 06 | 86 |
5.7%
|
| 7 | 07 | 67 |
4.4%
|
| 8 | 08 | 88 |
5.8%
|
| 9 | 09 | 20 |
1.3%
|
| 10 | 10 used a lot | 60 |
4%
|
| 98 | 98 don't know | 2 |
0.1%
|
| 99 | 99 no answer | 2 |
0.1%
|
| Sysmiss | 467 |
30.9%
|