| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1195 |
71.5%
|
| 2 | 1 or 2 times | 291 |
17.4%
|
| 3 | 3 to 9 times | 121 |
7.2%
|
| 4 | 10 or more times | 65 |
3.9%
|
| Sysmiss | 49 |