"type","depth","count"
"thread_track",0,13359
"thread_track",1,19447
"thread_track",2,5816
"thread_track",3,829
"thread_track",4,191
"thread_track",5,94
"thread_track",6,57
"thread_track",7,19
"thread_track",8,14
"thread_track",9,2