| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1798 |
75.5%
|
| 2 | 1 or 2 times | 429 |
18%
|
| 3 | 3 to 9 times | 96 |
4%
|
| 4 | 10 or more times | 59 |
2.5%
|
| Sysmiss | 126 |