| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 40516 |
94.4%
|
| 1 | 1 to 2 heads | 973 |
2.3%
|
| 2 | 3 to 4 heads | 664 |
1.5%
|
| 3 | 5 to 9 heads | 539 |
1.3%
|
| 4 | 10 to 19 heads | 182 |
0.4%
|
| 5 | 20 heads and over | 38 |
0.1%
|
| Sysmiss | 78 |