| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 4884 |
89.3%
|
| 2 | 1 or 2 times | 467 |
8.5%
|
| 3 | 3 to 9 times | 71 |
1.3%
|
| 4 | 10 or more times | 49 |
0.9%
|
| Sysmiss | 237 |