| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 662 |
70.9%
|
| 2 | 1 or 2 times | 179 |
19.2%
|
| 3 | 3 to 9 times | 43 |
4.6%
|
| 4 | 10 or more times | 50 |
5.4%
|
| Sysmiss | 69 |