| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 840 |
63.8%
|
| 2 | 1 or 2 times | 269 |
20.4%
|
| 3 | 3 to 9 times | 96 |
7.3%
|
| 4 | 10 or more times | 111 |
8.4%
|
| Sysmiss | 105 |