| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1196 |
56.4%
|
| 2 | 1 or 2 times | 486 |
22.9%
|
| 3 | 3 to 9 times | 230 |
10.8%
|
| 4 | 10 or more times | 209 |
9.9%
|
| Sysmiss | 136 |