| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1560 |
93.6%
|
| 2 | 1 or 2 times | 62 |
3.7%
|
| 3 | 3 to 9 times | 25 |
1.5%
|
| 4 | 10 or more times | 19 |
1.1%
|
| Sysmiss | 289 |