| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1562 |
78.1%
|
| 2 | 1 or 2 times | 326 |
16.3%
|
| 3 | 3 to 9 times | 75 |
3.7%
|
| 4 | 10 or more times | 38 |
1.9%
|
| Sysmiss | 8 |