service_id,date,exception_type
D,20200410,1
L,20200410,2
D,20200411,1
L,20200411,2
D,20200501,1
L,20200501,2
D,20200521,1
L,20200521,2
D,20200629,1
L,20200629,2
D,20200716,1
L,20200716,2
