PD   PI
    0       1.46      1.30
    1       7.43     11.84
    2       0.45     -0.16
    3       9.77     14.83
    4       0.22     -0.18
    5       9.29     11.38
    6       0.35     -0.19
    7       9.10     18.92
    8       0.89     -0.04
    9      21.12     29.54
   10       0.31     -0.23
   11       9.73     11.95
   12      49.80     50.74