service_id,date,exception_type 1_merged_1041626,20170904,2 1_merged_1041626,20171123,2 1_merged_1041630,20170529,2 1_merged_1041630,20170704,2 14,20170529,2 14,20170704,2 17,20170529,1 17,20170704,1 4_merged_1041629,20170904,1 4_merged_1041629,20171123,1 4_merged_1041633,20170529,1 4_merged_1041633,20170704,1 6,20170529,2 6,20170704,2 8401,20170601,1 8402,20170602,1 8403,20170603,1 8404,20170604,1 9,20170529,1 9,20170704,1