service_id,date,exception_type
mtwtf,20200907,2
mtwtf,20201012,2
mtwtf,20201126,2
mtwtf,20201225,2
mtwtf,20210101,2
mtwtf,20210118,2
mtwtf,20210215,2
mtwtf,20210531,2
mtwtf,20210705,2
mtwtf,20210906,2
mtwtf,20211012,2
