| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 4279 |
69.7%
|
| 2 | 1 or 2 times | 1124 |
18.3%
|
| 3 | 3 to 9 times | 364 |
5.9%
|
| 4 | 10 or more times | 371 |
6%
|
| Sysmiss | 229 |