| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 837 |
76.4%
|
| 2 | 1 or 2 times | 202 |
18.4%
|
| 3 | 3 to 9 times | 33 |
3%
|
| 4 | 10 or more times | 24 |
2.2%
|
| Sysmiss | 40 |