| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 9516 |
98.5%
|
| 2 | 1 or 2 times | 113 |
1.2%
|
| 3 | 3 to 9 times | 14 |
0.1%
|
| 4 | 10 or more times | 14 |
0.1%
|
| Sysmiss | 57 |