service_id,date,exception_type
mtwtf,20120528,2
mtwtf,20120704,2
mtwtf,20120903,2
mtwtf,20121122,2
mtwtf,20121123,2
mtwtf,20121223,2
mtwtf,20121225,2
mtwtf,20121231,2
mtwtf,20130101,2
mtwtf,20130527,2
mtwtf,20130704,2
mtwtf,20130902,2
sun,20121123,1
sun,20121224,1
sun,20121231,1
sun,20130101,1
