| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2229 |
95.4%
|
| 2 | 1 or 2 times | 89 |
3.8%
|
| 3 | 3 to 9 times | 11 |
0.5%
|
| 4 | 10 or more times | 8 |
0.3%
|
| Sysmiss | 11 |