service_id,date,exception_type
7_merged_803212,20180704,1
1_merged_803211,20180704,2
1_merged_803214,20190101,2
1_merged_803214,20181122,2
1_merged_803214,20180903,2
1_merged_803214,20181225,2
7_merged_803215,20190101,1
7_merged_803215,20181122,1
7_merged_803215,20180903,1
7_merged_803215,20181225,1