"x"
"1"	0.96590191080027
"10"	0.928099875808876
"50"	0.90073788410281
"100"	0.874668642104422
"500"	0.733457524456936
"1000"	0.616663398479203
"2500"	0.407942421799537
"5000"	0.21774117407819