| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 4316 |
87.8%
|
| 2 | 1 or 2 times | 518 |
10.5%
|
| 3 | 3 to 9 times | 59 |
1.2%
|
| 4 | 10 or more times | 23 |
0.5%
|
| Sysmiss | 792 |