| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1560 |
78.5%
|
| 2 | 1 time | 229 |
11.5%
|
| 3 | 2 or 3 times | 104 |
5.2%
|
| 4 | 4 or 5 times | 50 |
2.5%
|
| 5 | 6 or more times | 43 |
2.2%
|
| Sysmiss | 29 |