| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1470 |
64.6%
|
| 2 | 1 or 2 times | 506 |
22.3%
|
| 3 | 3 to 9 times | 183 |
8%
|
| 4 | 10 or more times | 115 |
5.1%
|
| Sysmiss | 81 |