| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1667 |
67.6%
|
| 2 | 1 or 2 times | 384 |
15.6%
|
| 3 | 3 to 9 times | 242 |
9.8%
|
| 4 | 10 or more times | 174 |
7.1%
|
| Sysmiss | 81 |