| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 4225 |
69.5%
|
| 2 | 1 or 2 times | 988 |
16.2%
|
| 3 | 3 to 9 times | 485 |
8%
|
| 4 | 10 or more times | 385 |
6.3%
|
| Sysmiss | 153 |