service_id,date,exception_type
3_merged_2076512,20170704,1
1_merged_2076511,20170704,2
3_merged_2076516,20170904,1
3_merged_2076516,20171225,1
3_merged_2076516,20171123,1
1_merged_2076515,20171110,1
1_merged_2076515,20171225,2
1_merged_2076515,20171123,2
1_merged_2076515,20170904,2