| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3022 |
70.5%
|
| 2 | 1 or 2 times | 907 |
21.2%
|
| 3 | 3 to 9 times | 198 |
4.6%
|
| 4 | 10 or more times | 159 |
3.7%
|
| Sysmiss | 245 |