  1 -15.0    2.5
  2 -11.8    3.4
  3  -5.0    8.3
  4   3.4   14.5
  5   9.4   33.8
  6  14.4   57.5
  7  16.4   87.4
  8  14.5   71.4
  9   8.8   24.3
 10   1.4   14.5
 11  -7.2    6.3
 12 -12.7    3.1
