service_id,date,exception_type SUN,20160905,1 WKDY,20160905,2 SUN,20161124,1 WKDY,20161124,2 SAT,20170116,1 WKDY,20170116,2 SAT,20170220,1 WKDY,20170220,2 SUN,20170529,1 WKDY,20170529,2 SUN,20170704,1 WKDY,20170704,2 SUN,20170904,1 WKDY,20170904,2 SUN,20171123,1 WKDY,20171123,2 SUN,20171225,1 WKDY,20171225,2 SUN,20180101,1 WKDY,20180101,2