Cobb Douglas

The picture shows a graph of the Cobb-Douglas function f(x,y) = x^3/4 y^1/4 fitting real data points.
Here are the list of data:

100	100	100
105	107	101
110	114	112
118	122	122
123	131	124
116	138	122
125	149	143
133	163	152
138	176	151
121	185	126
140	198	155
144	208	159
145	216	153
152	226	177
154	236	184
149	244	169
154	266	189
182	298	225
196	335	227
200	366	223
193	387	218
193	407	231
147	417	179
161	431	240

These numbers appear in the original paper