I         Y         E  
     1         20.5      12 
     2         31.5      16 
     3         47.7      18 
     4         26.2      16 
     5         44.0      12 
     6         8.28      12 
     7         30.8      16 
     8         17.2      12 
     9         19.9      10 
    10         9.96      12 
    11         55.8      16 
    12         25.2      20 
    13         29.0      12 
    14         85.5      16 
    15         15.1      10 
    16         28.5      18 
    17         21.4      16 
    18         17.7      20 
    19         6.42      12 
    20         84.9      16