| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1233 |
63.7%
|
| 2 | 1 or 2 times | 272 |
14.1%
|
| 3 | 3 to 9 times | 241 |
12.5%
|
| 4 | 10 or more times | 189 |
9.8%
|
| Sysmiss | 483 |