| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 616 |
96.6%
|
| 2 | 1 or 2 times | 17 |
2.7%
|
| 3 | 3 to 9 times | 4 |
0.6%
|
| 4 | 10 or more times | 1 |
0.2%
|
| Sysmiss | 2 |