| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 6487 |
89.2%
|
| 2 | 1 or 2 times | 621 |
8.5%
|
| 3 | 3 to 9 times | 104 |
1.4%
|
| 4 | 10 or more times | 63 |
0.9%
|
| Sysmiss | 301 |