1*9512fe85SahlAggregation data before clear(): 2*9512fe85Sahl 3*9512fe85Sahl 0 500 4*9512fe85Sahl 1 700 5*9512fe85Sahl 2 900 6*9512fe85Sahl 3 1100 7*9512fe85Sahl 4 1300 8*9512fe85SahlAggregation data after clear(): 9*9512fe85Sahl 10*9512fe85Sahl 0 0 11*9512fe85Sahl 1 0 12*9512fe85Sahl 2 0 13*9512fe85Sahl 3 0 14*9512fe85Sahl 4 0 15*9512fe85SahlFinal aggregation data: 16*9512fe85Sahl 17*9512fe85Sahl 0 1500 18*9512fe85Sahl 1 2700 19*9512fe85Sahl 2 2900 20*9512fe85Sahl 3 3100 21*9512fe85Sahl 4 3300 22*9512fe85Sahl 23