2    25.9799
  3    19.0146
  4    13.5350
  5     9.3140
  6     8.4206
  7     5.8855
  8     6.8548
  9     4.9651
 10     3.8436
 11     5.5659
 12     6.7256
 13     6.5945
 14     7.3419
 15    12.1469
 16    14.2838
 17    16.5777
 18    24.1638