| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 0 |
0%
|
| 2 | Once | 81 |
92%
|
| 3 | Few times | 4 |
4.5%
|
| 4 | Many times | 3 |
3.4%
|
| Sysmiss | 19912 |