TimeWindow  TotalIterations  Iterations  Convergence  QNColumns  DeletedQNColumns  DroppedQNColumns  
1  52  52  1  47  4  0  
2  67  15  1  57  4  0  
3  79  12  1  63  5  0  
4  199  120  0  64  118  0  
5  319  120  0  65  118  0  
6  439  120  0  71  113  0