| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | once | 40 | 68786 |
72%
|
| 2 | twice | 8 | 15389 |
16.1%
|
| 3 | three or more times | 5 | 11328 |
11.9%
|
| Sysmiss | 37087 | 70227336 |