service_id,date,exception_type
MF,20100906,2
SS,20100906,1
MF,20101125,2
SS,20101125,1
MF,20101224,2
SS,20101224,1
MF,20101231,2
SS,20101231,1

SS,20100918,2
WO,20100918,1
SS,20100919,2
WO,20100919,1
SM,20100920,2
WOM,20100920,1

SS,20101002,2
WO,20101002,1
SS,20101003,2
WO,20101003,1
SM,20101004,2
WOM,20101004,1

SS,20101023,2
WO,20101023,1
SS,20101024,2
WO,20101024,1
SM,20101025,2
WOM,20101025,1

SS,20101106,2
WO,20101106,1
SS,20101107,2
WO,20101107,1
SM,20101108,2
WOM,20101108,1