| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 894 |
97.1%
|
| 2 | 1 or 2 times | 12 |
1.3%
|
| 3 | 3 to 9 times | 10 |
1.1%
|
| 4 | 10 to 19 times | 3 |
0.3%
|
| 5 | 20 or more times | 2 |
0.2%
|
| Sysmiss | 22 |