20090619
   ID = 0
   TIMESTAMP = 1244127600
   TOTAL = COUNT_1 + COUNT_2
20090619
   ID = 1
   TIMESTAMP = 1244127600
   TOTAL = COUNT_1 + COUNT_2
20090619
   ID = 2
   TIMESTAMP = 1244127600
   TOTAL = COUNT_1    --> COUNT_2 does Not exist
20090619
   ID = 4
   TIMESTAMP = 1244127600
   TOTAL = COUNT_1 + COUNT_2