| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1379 |
79.5%
|
| 2 | 1 or 2 times | 235 |
13.5%
|
| 3 | 3 to 9 times | 64 |
3.7%
|
| 4 | 10 or more times | 57 |
3.3%
|
| Sysmiss | 73 |