IHIST   BHIST
    0       0.98      0.92
    1      13.50     20.51
    2       0.46      0.20
    3      24.68     30.60
    4       0.38      0.14
    5      19.23     26.44
    6       0.24      0.04
    7      23.48     23.66
    8       0.64      0.32
    9      27.18     32.52
   10       0.55      0.27
   11      26.02     31.19
   12      11.85      7.76