| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | one | 633 | 624 |
20%
|
| 2 | twice | 263 | 242 |
7.7%
|
| 3 | three times and above | 155 | 133 |
4.3%
|
| Sysmiss | 2076 | 2128 |