| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 10334 |
97.5%
|
| 2 | 1 or 2 times | 162 |
1.5%
|
| 3 | 3 to 9 times | 47 |
0.4%
|
| 4 | 10 or more times | 53 |
0.5%
|
| Sysmiss | 546 |