| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1279 |
60.8%
|
| 2 | 1 or 2 times | 482 |
22.9%
|
| 3 | 3 to 9 times | 222 |
10.6%
|
| 4 | 10 or more times | 119 |
5.7%
|
| Sysmiss | 56 |