| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1834 |
90.5%
|
| 2 | 1 or 2 times | 143 |
7.1%
|
| 3 | 3 to 9 times | 39 |
1.9%
|
| 4 | 10 or more times | 10 |
0.5%
|
| Sysmiss | 7 |