| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1172 |
75.3%
|
| 2 | 1 or 2 times | 226 |
14.5%
|
| 3 | 3 to 9 times | 85 |
5.5%
|
| 4 | 10 or more times | 74 |
4.8%
|
| Sysmiss | 72 |