| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2653 |
96.1%
|
| 2 | 1 or 2 times | 83 |
3%
|
| 3 | 3 to 9 times | 22 |
0.8%
|
| 4 | 10 or more times | 2 |
0.1%
|
| Sysmiss | 78 |