| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 867 |
90.6%
|
| 2 | 1 or 2 times | 52 |
5.4%
|
| 3 | 3 to 9 times | 29 |
3%
|
| 4 | 10 or more times | 9 |
0.9%
|
| Sysmiss | 76 |