| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2485 |
90.4%
|
| 2 | 1 or 2 times | 170 |
6.2%
|
| 3 | 3 to 9 times | 57 |
2.1%
|
| 4 | 10 or more times | 36 |
1.3%
|
| Sysmiss | 19 |