| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2359 |
89.9%
|
| 2 | 1 or 2 times | 181 |
6.9%
|
| 3 | 3 to 9 times | 55 |
2.1%
|
| 4 | 10 or more times | 29 |
1.1%
|
| Sysmiss | 91 |