| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 5470 |
78.9%
|
| 2 | 1 or 2 times | 1003 |
14.5%
|
| 3 | 3 to 9 times | 271 |
3.9%
|
| 4 | 10 or more times | 189 |
2.7%
|
| Sysmiss | 998 |