| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1333 |
74.3%
|
| 2 | 1 or 2 times | 217 |
12.1%
|
| 3 | 3 to 9 times | 152 |
8.5%
|
| 4 | 10 or more times | 92 |
5.1%
|
| Sysmiss | 49 |