| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2155 |
80%
|
| 2 | 1 or 2 times | 386 |
14.3%
|
| 3 | 3 to 9 times | 108 |
4%
|
| 4 | 10 or more times | 44 |
1.6%
|
| Sysmiss | 72 |