| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 982 |
69.3%
|
| 2 | 1 or 2 times | 282 |
19.9%
|
| 3 | 3 to 9 times | 93 |
6.6%
|
| 4 | 10 or more times | 61 |
4.3%
|
| Sysmiss | 27 |