It is trades. Books with his name sold $2,023,850.29 worth of stuff in 2017. Brian Hibbs collected data for the 2017 bookscan report. Other names:
PILKEY DAV $12,473,032.26
TELGEMEIER RAINA $9,640,046.81
KIRKMAN ROBERT $7,782,164.81
RUSSELL RACHEL REN $6,128,321.53
VAUGHAN BRIAN K. $4,263,973.08
PEIRCE LINCOLN $3,854,861.56
LEWIS JOHN $3,758,518.00
KIBUISHI KAZU $3,600,365.04
ISHIDA SUI $3,487,487.51
MOORE ALAN $2,926,106.54
JOHNS GEOFF $2,848,375.36
ISAYAMA HAJIME $2,835,506.03
HIMEKAWA AKIRA $2,813,826.66
KUSAKA HIDENORI $2,609,804.84
SNYDER SCOTT $2,561,484.56
GAIMAN NEIL $2,348,200.81
YANG GENE LUEN $2,173,307.74
BENDIS BRIAN MICHAEL $2,023,850.29
KISHIMOTO MASASHI $2,019,648.95
ODA EIICHIRO $2,007,041.74
TORIYAMA AKIRA $2,005,619.82
GILLEN KIERON $1,903,718.41
OTOMO KATSUHIRO $1,830,704.87
SPIEGELMAN ART $1,824,282.84
SATRAPI MARJANE $1,806,897.10
KING TOM $1,770,004.29
MILLER FRANK $1,766,494.54
HORIKOSHI KOHEI $1,760,337.90
MASHIMA HIRO $1,642,954.64
AARON JASON $1,633,896.36
DANTDM $1,626,946.12
OHBA TSUGUMI $1,593,829.64
MILLAR MARK $1,537,664.19
MIURA KENTARO $1,534,563.02
ENNIS GARTH $1,489,819.90
JAMIESON VICTORIA $1,468,903.29
ARAKI HIROHIKO $1,401,794.89
MORRISON GRANT $1,368,636.11
MARTIN ANN M. $1,354,103.87
CHMAKOVA SVETLANA $1,353,975.00
HOLM JENNIFER L. $1,336,025.62
TOBIN PAUL $1,335,197.89
HALE SHANNON $1,330,538.53
ITO JUNJI $1,320,569.94
LEMIRE JEFF $1,237,076.23
TOBOSO YANA $1,228,134.20
FERRIS EMIL $1,222,489.30
HALE NATHAN $1,211,376.48
O’MALLEY BRYAN LEE $1,177,564.44
COATES TA-NEHISI $1,164,788.45
TAKAYA NATSUKI $1,156,821.32
ONE $1,137,241.62
TAYLOR TOM $1,115,534.23
SIMPSON DANA $1,115,416.27
SMITH JEFF $1,108,367.15
RUCKA GREG $1,057,684.14
WAID MARK $1,038,522.79
HICKMAN JONATHAN $1,010,572.97