| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2139 |
92.1%
|
| 2 | 1 or 2 times | 146 |
6.3%
|
| 3 | 3 to 9 times | 26 |
1.1%
|
| 4 | 10 or more times | 12 |
0.5%
|
| Sysmiss | 25 |