| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1427 |
77.2%
|
| 2 | 1 or 2 times | 280 |
15.2%
|
| 3 | 3 to 9 times | 88 |
4.8%
|
| 4 | 10 or more times | 53 |
2.9%
|
| Sysmiss | 9 |