| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1559 |
93.1%
|
| 2 | 1 or 2 times | 70 |
4.2%
|
| 3 | 3 to 9 times | 19 |
1.1%
|
| 4 | 10 or more times | 26 |
1.6%
|
| Sysmiss | 35 |