  1  -0.2    9.5
  2  -2.6   15.0
  3  -7.1   19.0
  4 -11.0   21.1
  5 -14.6   20.6
  6 -14.5   24.4
  7 -14.7   24.8
  8 -14.8   20.3
  9 -13.8   18.9
 10 -11.6   18.8
 11  -5.4   13.2
 12  -1.2   11.5
