| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1834 |
66.3%
|
| 2 | 1 or 2 times | 629 |
22.7%
|
| 3 | 3 to 9 times | 193 |
7%
|
| 4 | 10 or more times | 112 |
4%
|
| Sysmiss | 141 |