| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2536 |
87.8%
|
| 2 | 1 or 2 times | 225 |
7.8%
|
| 3 | 3 to 9 times | 99 |
3.4%
|
| 4 | 10 or more times | 28 |
1%
|
| Sysmiss | 171 |