| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1826 |
76.3%
|
| 2 | 1 or 2 times | 479 |
20%
|
| 3 | 3 to 9 times | 58 |
2.4%
|
| 4 | 10 or more times | 29 |
1.2%
|
| Sysmiss | 144 |