amount	response
0.25	6.55
0.25	7.98
0.25	6.54
0.25	6.37
0.25	7.96
1.00	29.7
1.00	30.0
1.00	30.1
1.00	29.5
1.00	29.1
5.00	211
5.00	204
5.00	212
5.00	213
5.00	205
20.00	929
20.00	905
20.00	922
20.00	928
20.00	919