| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1848 |
91.8%
|
| 2 | 1 or 2 times | 99 |
4.9%
|
| 3 | 3 to 9 times | 32 |
1.6%
|
| 4 | 10 or more times | 33 |
1.6%
|
| Sysmiss | 21 |