The number of h family curves of the rHCOs classified according to their (period) sensitivity (curve slopes)
| Three members | Four members | Five members | Six members | Seven members | Eight members | |
|---|---|---|---|---|---|---|
| High | 690 | 684 | 583 | 323 | 121 | 35 |
| Medium | 1,002 | 1,239 | 979 | 528 | 233 | 57 |
| Low | 4,633 | 2,399 | 1,141 | 434 | 183 | 52 |