| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 4474 |
88.4%
|
| 2 | 1 or 2 times | 451 |
8.9%
|
| 3 | 3 to 9 times | 101 |
2%
|
| 4 | 10 or more times | 37 |
0.7%
|
| Sysmiss | 175 |