| Value | Category | Cases | |
|---|---|---|---|
| 0 | 00 not used at all | 333 |
21.1%
|
| 1 | 01 | 41 |
2.6%
|
| 2 | 02 | 108 |
6.8%
|
| 3 | 03 | 91 |
5.8%
|
| 4 | 04 | 90 |
5.7%
|
| 5 | 05 | 154 |
9.8%
|
| 6 | 06 | 88 |
5.6%
|
| 7 | 07 | 67 |
4.2%
|
| 8 | 08 | 79 |
5%
|
| 9 | 09 | 11 |
0.7%
|
| 10 | 10 used a lot | 28 |
1.8%
|
| 98 | 98 don't know | 2 |
0.1%
|
| 99 | 99 no answer | 1 |
0.1%
|
| Sysmiss | 485 |
30.7%
|