| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1663 |
91.4%
|
| 2 | 1 or 2 times | 128 |
7%
|
| 3 | 3 to 9 times | 20 |
1.1%
|
| 4 | 10 or more times | 8 |
0.4%
|
| Sysmiss | 46 |