| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 0 |
0%
|
| 2 | Once | 76 |
21.3%
|
| 3 | Few times | 154 |
43.3%
|
| 4 | Many times | 126 |
35.4%
|
| Sysmiss | 19644 |