PD   PI
    0       1.53      1.52
    1      22.48     23.73
    2       0.74     -0.24
    3      35.41     42.24
    4       0.37     -0.74
    5      33.62     30.55
    6       0.80     -0.26
    7      33.70     37.95
    8       0.92      0.11
    9      25.03     42.95
   10       0.71     -0.23
   11      30.45     37.95
   12      94.07     94.57