| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 4723 |
92.6%
|
| 2 | 1 or 2 times | 282 |
5.5%
|
| 3 | 3 to 9 times | 66 |
1.3%
|
| 4 | 10 or more times | 32 |
0.6%
|
| Sysmiss | 187 |