union |    Set    Map FiniteMap   AVL AVL2      RBSet
---------------------------------------------------------------
union/05/10/asc | 100.00 101.29     81.95 36.44          174.60
union/05/10/e_o | 100.00 101.64     78.02 54.25           77.64
union/05/10/mix | 100.00 106.83     93.16 37.96           52.06
union/10/10/asc | 100.00  99.83     95.88 29.97         1382.42
union/10/10/e_o | 100.00 100.29     90.18 56.07           52.48
union/10/10/mix | 100.00 105.46     98.55 31.47          162.15
union/10/20/asc | 100.00 101.96     76.87 47.68         1514.90
union/10/20/e_o | 100.00 100.97     88.62 60.02          165.45
union/10/20/mix | 100.00 103.95     88.04 46.01          219.16
union/20/20/asc | 100.00 101.50     91.84 39.01      1025937.93
union/20/20/e_o | 100.00 104.50     94.00 64.87          152.77
union/20/20/mix | 100.00 106.42     95.20 41.24         4599.70
---------------------------------------------------------------
       Ari mean | 100.00 102.89     89.36 45.42        86207.61
       Geo mean | 100.00 102.86     89.10 44.13          512.56