service_id,date,exception_type
3_merged_3699940,20200101,1
3_merged_3699940,20190902,1
3_merged_3699940,20191128,1
3_merged_3699940,20191225,1
1_merged_3699939,20200101,2
1_merged_3699939,20191231,2
1_merged_3699939,20190902,2
1_merged_3699939,20191128,2
1_merged_3699939,20191129,2
1_merged_3699939,20191225,2
1_merged_3699939,20191224,2
2_merged_3699941,20191231,1
2_merged_3699941,20191129,1
2_merged_3699941,20191224,1
2_merged_3699944,20200120,1
1_merged_3699942,20200120,2