| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2280 |
92.6%
|
| 2 | 1 or 2 times | 129 |
5.2%
|
| 3 | 3 to 9 times | 25 |
1%
|
| 4 | 10 or more times | 29 |
1.2%
|
| Sysmiss | 73 |