| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 982 |
83.4%
|
| 2 | 1 or 2 times | 132 |
11.2%
|
| 3 | 3 to 9 times | 33 |
2.8%
|
| 4 | 10 or more times | 30 |
2.5%
|
| Sysmiss | 35 |