| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1809 |
98.7%
|
| 2 | 1 or 2 times | 16 |
0.9%
|
| 3 | 3 to 9 times | 3 |
0.2%
|
| 4 | 10 to 19 times | 3 |
0.2%
|
| 5 | 20 or more times | 1 |
0.1%
|
| Sysmiss | 86 |