xy sample data

xdata,ydata
0.041964785,0.000219158
0.042356065,0.003546187
0.042551705,0.007558038
0.042845165,0.010787165
0.043138625,0.01225504
0.044312465,0.015191117
0.045388485,0.01734436
0.047638345,0.021063818
0.049594746,0.023217554
0.051648966,0.025762734
0.054387926,0.028406144
0.056637786,0.030364349
0.060354947,0.033399695
0.062898267,0.035260217
0.065050307,0.036826978
0.067887088,0.038687664
0.070136948,0.040450174
0.072778088,0.042017209
0.076593069,0.044269831
0.080114589,0.046326595
0.082853549,0.047795836
0.08422303,0.048579381
0.08676635,0.049754971
0.09019005,0.051420291
0.092929011,0.052498143
0.096352711,0.054065615
0.098896031,0.055045511
0.101928452,0.056221375
0.105939072,0.05759348
0.109949693,0.059063433
0.113862493,0.060337636
0.117970934,0.061905491
0.122372834,0.063375663
0.126089994,0.064649757
0.130980995,0.066315897
0.132741755,0.06670827
0.135480716,0.067590428
0.139589156,0.068473352
0.142817216,0.069062241
0.144871437,0.069552626