| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 2550 |
99%
|
| 1 | 12 |
0.5%
|
|
| 2 | 11 |
0.4%
|
|
| 3 | 1 |
0%
|
|
| 6 | 1 |
0%
|
|
| 20 | 20 or more | 0 |
0%
|
| Sysmiss | 840 |