| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2403 |
92.1%
|
| 2 | 1 or 2 times | 128 |
4.9%
|
| 3 | 3 to 9 times | 39 |
1.5%
|
| 4 | 10 or more times | 38 |
1.5%
|
| Sysmiss | 62 |