service_id,date,exception_type
mtwtf,20170102,2
mtwtf,20170116,2
mtwtf,20170220,2
mtwtf,20160704,2
mtwtf,20160905,2
mtwtf,20161010,2
mtwtf,20161111,2
mtwtf,20161124,2
mtwtf,20161226,2
mtwtf,20170529,2
mtwtf,20170704,2
mtwtf,20170904,2
mtwtf,20171009,2
mtwtf,20171110,2
mtwtf,20171123,2
mtwtf,20171225,2
mtwtf,20180101,2
mtwtf,20180115,2
mtwtf,20180219,2
sun,20160704,1
sun,20160905,1
sun,20170529,1
sun,20170704,1
sun,20170904,1