Nebula short list: GoodReads/LibraryThing stats
The last time there were eight novels on the final ballot was in 2001, when the award was won by The Quantum Rose (Of which I am not a fan).
GoodreadsLibrarythingnumberaveragenumberaverageThe Ocean at the End of the Lane, by Neil Gaiman 1024614.022992 4.15 The Golem and the Jinni, by Helene Wecker145394.16856 4.25 We Are All Completely Beside Ourselves, by Karen Joy Fowler 67933.84385 3.93 Ancillary Justice, by Ann Leckie21144.01317 4.10 Hild, by Nicola Griffith11613.86206 4.19 A Stranger in Olondria, by Sofia Samatar924.1762 3.75 Fire with Fire, by Charles E. Gannon794.2221 3.75 The Red: First Light, by Linda Nagata464.0715 4.00
For once, the two sites rank all the books in the same order, though with a significant variation in the relative sizes of the steps between them.