IHIST   BHIST
    0       4.30      4.64
    1      26.90     19.04
    2      -0.94      0.00
    3      24.32     20.27
    4       2.17      2.37
    5      28.63     24.12
    6      -0.08      0.70
    7      23.79     20.32
    8       0.46      1.12
    9      19.75     16.50
   10      -1.70     -1.38
   11      28.96     16.48
   12      25.81     21.90