How about..
declare @temp table (owner char, year int, month int, day int, count int)
insert into @temp values ('A',2010,1,1,5)
insert into @temp values ('B',2010,1,1,6)
insert into @temp values ('C',2010,1,1,8)
insert into @temp values ('A',2010,1,2,4)
insert into @temp values...