| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2389 |
92.1%
|
| 2 | 1 or 2 times | 101 |
3.9%
|
| 3 | 3 to 9 times | 60 |
2.3%
|
| 4 | 10 or more times | 45 |
1.7%
|
| Sysmiss | 203 |