| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1556 |
97.6%
|
| 2 | 1 or 2 times | 25 |
1.6%
|
| 3 | 3 to 9 times | 10 |
0.6%
|
| 4 | 10 or more times | 3 |
0.2%
|
| Sysmiss | 1 |