| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2678 |
78.1%
|
| 2 | 1 or 2 times | 534 |
15.6%
|
| 3 | 3 to 9 times | 152 |
4.4%
|
| 4 | 10 or more times | 67 |
2%
|
| Sysmiss | 93 |