| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2097 |
97.1%
|
| 2 | 1 or 2 times | 41 |
1.9%
|
| 3 | 3 to 9 times | 9 |
0.4%
|
| 4 | 10 or more times | 13 |
0.6%
|
| Sysmiss | 6 |