These are the sales to comic shops in March 2019 for the Batfamily:
DECTIVE COMICS #1000 526,941
BATMAN WHO LAUGHS: THE GRIM KNIGHT #1 133,656
BATMAN #67 84,463
BATMAN #68 83,102
JUSTICE LEAGUE #20 64,675
JUSTICE LEAGUE #19 57,733
HARLEY QUINN #59 44,298
CATWOMAN #9 43,952
YOUNG JUSTICE #3 33,683
TEEN TITANS #28 27,405
NIGHTING #58 25,433
BATGIRL #33 24,034
ADVENTURES OF THE SUPER SONS #8 19,071
RED HOOD OUTLAW #32 18,389
BATMAN BEYOND #30 16,427
https://www.comichron.com/monthlycom...9/2019-03.html