| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1630 |
78.5%
|
| 2 | 1 or 2 times | 295 |
14.2%
|
| 3 | 3 to 9 times | 95 |
4.6%
|
| 4 | 10 or more times | 56 |
2.7%
|
| Sysmiss | 38 |