| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2339 |
69.6%
|
| 2 | 1 or 2 times | 627 |
18.7%
|
| 3 | 3 to 9 times | 255 |
7.6%
|
| 4 | 10 or more times | 140 |
4.2%
|
| Sysmiss | 45 |