FEV1000

   1         0.0000000      0.0000000
   2         54.38605      0.5687161
   3         125.0879      0.9107189
   4         217.0004       1.133191
   5         336.4865       1.285649
   6         491.8185       1.394206
   7         693.7501       1.474002
   8         956.2611       1.534492
   9         1297.525       1.581962
  10         1741.169       1.620847
  11         2317.906       1.654481
  12         3067.663       1.685556
  13         4042.348       1.716430
  14         5309.438       1.749361
  15         6956.655       1.786698
  16         9098.037       1.831067
  17         11881.83       1.882414
  18         15500.77       1.931322
  19         20205.39       1.976478
  20         26321.39       2.017967
  21         34272.19       2.056381
  22         44608.23       2.092746
  23         58045.08       2.128448
  24         75512.98       2.165203
  25         98221.27       2.205061
  26         127742.0       2.250466
  27         166119.0       2.304362
  28         216009.1       2.370358
  29         280866.3       2.452947
  30         308952.9       2.488242
  31