| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 742 |
98.7%
|
| 1 | 5 |
0.7%
|
|
| 2 | 4 |
0.5%
|
|
| 3 | 1 |
0.1%
|
|
| 20 | 20 or more | 0 |
0%
|
| Sysmiss | 895 |