service_id,date,exception_type
3,20151126,1
4,20151126,2
2,20151127,1
13,20151127,2
2,20151224,1
4,20151224,2
3,20151225,1
13,20151225,2
3,20160101,1
13,20160101,2
2,20160118,1
4,20160118,2
2,20160215,1
4,20160215,2