| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 924 |
70.6%
|
| 2 | 1 or 2 times | 253 |
19.3%
|
| 3 | 3 to 9 times | 89 |
6.8%
|
| 4 | 10 or more times | 43 |
3.3%
|
| Sysmiss | 47 |