| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 858 |
69.1%
|
| 2 | 1 or 2 times | 214 |
17.2%
|
| 3 | 3 to 9 times | 106 |
8.5%
|
| 4 | 10 or more times | 64 |
5.2%
|
| Sysmiss | 32 |