| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1283 |
58.7%
|
| 2 | 1 or 2 times | 486 |
22.3%
|
| 3 | 3 to 9 times | 265 |
12.1%
|
| 4 | 10 or more times | 150 |
6.9%
|
| Sysmiss | 70 |