| Value | Category | Cases | |
|---|---|---|---|
| 0 | 00 not used at all | 461 |
29.2%
|
| 1 | 01 | 80 |
5.1%
|
| 2 | 02 | 140 |
8.9%
|
| 3 | 03 | 109 |
6.9%
|
| 4 | 04 | 69 |
4.4%
|
| 5 | 05 | 103 |
6.5%
|
| 6 | 06 | 49 |
3.1%
|
| 7 | 07 | 36 |
2.3%
|
| 8 | 08 | 28 |
1.8%
|
| 9 | 09 | 6 |
0.4%
|
| 10 | 10 used a lot | 11 |
0.7%
|
| 98 | 98 don't know | 0 |
0%
|
| 99 | 99 no answer | 1 |
0.1%
|
| Sysmiss | 485 |
30.7%
|