| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 0 |
0%
|
| 2 | Once | 152 |
40.5%
|
| 3 | Few times | 213 |
56.8%
|
| 4 | Many times | 10 |
2.7%
|
| Sysmiss | 19625 |