| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1542 |
89%
|
| 2 | 1 or 2 times | 139 |
8%
|
| 3 | 3 to 9 times | 31 |
1.8%
|
| 4 | 10 or more times | 21 |
1.2%
|
| Sysmiss | 46 |