Gardner Dozois, Jonathan Strahan, Rich Horton, and I edit year’s best anthologies. Here’s the top ten sources for the 2017 stories we included.

These ten markets represent 70.6% of all year’s best appearances. Individually, they have:

Asimov’s 11.9%
Clarkesworld 11.1% 10.3%
F&SF 7.9%
Analog 5.6%
Infinity Wars 5.6%
Lightspeed 5.6%
Extrasolar 4.8%
Cosmic Powers 4.0%
Uncanny 4.0%

Which format has the upper-hand?