| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2256 |
76%
|
| 2 | 1 or 2 times | 487 |
16.4%
|
| 3 | 3 to 9 times | 158 |
5.3%
|
| 4 | 10 or more times | 69 |
2.3%
|
| Sysmiss | 179 |