| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1479 |
80.8%
|
| 2 | 1 or 2 times | 237 |
13%
|
| 3 | 3 to 9 times | 74 |
4%
|
| 4 | 10 or more times | 40 |
2.2%
|
| Sysmiss | 42 |