  1  -7.5    1.0
  2  -0.9    0.4
  3   8.2    0.5
  4  16.4    1.1
  5  21.4    3.4
  6  26.0    7.2
  7  27.9    9.6
  8  26.0    4.7
  9  19.9    1.1
 10  10.9    0.4
 11   2.2    0.5
 12  -5.7    1.5
