| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 994 |
91.5%
|
| 2 | 1 or 2 times | 75 |
6.9%
|
| 3 | 3 to 9 times | 12 |
1.1%
|
| 4 | 10 or more times | 5 |
0.5%
|
| Sysmiss | 50 |