| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2250 |
84.4%
|
| 2 | 1 or 2 times | 172 |
6.4%
|
| 3 | 3 to 9 times | 123 |
4.6%
|
| 4 | 10 to 19 times | 65 |
2.4%
|
| 5 | 20 or more times | 57 |
2.1%
|
| Sysmiss | 63 |