service_id,date,exception_type
1_merged_2076509,20170704,2
3_merged_2076510,20170704,1
1_merged_2076513,20171110,1
1_merged_2076513,20171225,2
1_merged_2076513,20171123,2
1_merged_2076513,20170904,2
3_merged_2076514,20170904,1
3_merged_2076514,20171225,1
3_merged_2076514,20171123,1