| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1127 |
63.1%
|
| 2 | 1 or 2 times | 348 |
19.5%
|
| 3 | 3 to 9 times | 170 |
9.5%
|
| 4 | 10 or more times | 140 |
7.8%
|
| Sysmiss | 58 |