Edit : missing from the list :
Gfriend : 3rd Mini Album Snowflake : 34.458
Hyomin : 2nd Mini Album Sketch : 13.129
WJSN - 1st Mini Album Would You Like : 12.700
Luna f(x) Solo album: Free Somebody : 10,318
SISTAR : I like that : 10,248

Source : http://onehallyu.com/topic/377052-2016-girl-groupsolo-album-sales-as-of-july-31/