Index: wp-admin/includes/class-wp-list-table.php
===================================================================
--- wp-admin/includes/class-wp-list-table.php	(revision 22078)
+++ wp-admin/includes/class-wp-list-table.php	(working copy)
@@ -364,6 +364,7 @@
 			SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
 			FROM $wpdb->posts
 			WHERE post_type = %s
+			AND post_status != 'auto-draft'
 			ORDER BY post_date DESC
 		", $post_type ) );