1*2633SahlAggregation data before clear(): 2*2633Sahl 3*2633Sahl 0 500 4*2633Sahl 1 700 5*2633Sahl 2 900 6*2633Sahl 3 1100 7*2633Sahl 4 1300 8*2633SahlAggregation data after clear(): 9*2633Sahl 10*2633Sahl 0 0 11*2633Sahl 1 0 12*2633Sahl 2 0 13*2633Sahl 3 0 14*2633Sahl 4 0 15*2633SahlFinal aggregation data: 16*2633Sahl 17*2633Sahl 0 1500 18*2633Sahl 1 2700 19*2633Sahl 2 2900 20*2633Sahl 3 3100 21*2633Sahl 4 3300 22*2633Sahl 23