nag_tsa_uni_diff (g13aac) Example Program Data
 20  2  1  4
 120.0 108.0  98.0 118.0 135.0
 131.0 118.0 125.0 121.0 100.0
  82.0  82.0  89.0  88.0  86.0
  96.0 108.0 110.0  99.0 105.0