Origin	Destination	Population
point 3	point 22	64.0
point 11	point 21	12.0
point 9	point 21	24.0
point 1	point 11	80.0
point 3	point 9	112.0
point 15	point 1	76.0
point 15	point 2	152.0
point 15	point 3	112.0
point 15	point 9	132.0
point 15	point 11	156.0
point 15	point 16	64.0
point 15	point 17	60.0
point 15	point 20	36.0
point 15	point 21	28.0
point 15	point 22	44.0
point 15	point 23	8.0
point 15	point 25	32.0
point 15	point 29	12.0
point 15	point 30	24.0
point 15	point 35	4.0
point 15	point 28	28.0
point 16	point 1	56.0
point 16	point 2	88.0
point 16	point 3	152.0
point 16	point 9	112.0