service_id,date,exception_type
1_merged_3976500,20210101,2
1_merged_3976500,20201126,2
1_merged_3976500,20201127,2
1_merged_3976500,20201225,2
1_merged_3976500,20201231,2
1_merged_3976500,20200907,2
1_merged_3976500,20201224,2
2_merged_3976502,20201231,1
2_merged_3976502,20201127,1
2_merged_3976502,20201224,1
3_merged_3976501,20210101,1
3_merged_3976501,20201126,1
3_merged_3976501,20200907,1
3_merged_3976501,20201225,1