| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 913 |
89.9%
|
| 2 | 1 or 2 times | 79 |
7.8%
|
| 3 | 3 to 9 times | 15 |
1.5%
|
| 4 | 10 or more times | 9 |
0.9%
|
| Sysmiss | 14 |