| Value | Category | Cases | |
|---|---|---|---|
| 0 | 00 not used at all | 464 |
29.4%
|
| 1 | 01 | 59 |
3.7%
|
| 2 | 02 | 95 |
6%
|
| 3 | 03 | 82 |
5.2%
|
| 4 | 04 | 79 |
5%
|
| 5 | 05 | 125 |
7.9%
|
| 6 | 06 | 67 |
4.2%
|
| 7 | 07 | 55 |
3.5%
|
| 8 | 08 | 44 |
2.8%
|
| 9 | 09 | 9 |
0.6%
|
| 10 | 10 used a lot | 7 |
0.4%
|
| 98 | 98 don't know | 4 |
0.3%
|
| 99 | 99 no answer | 3 |
0.2%
|
| Sysmiss | 485 |
30.7%
|