1500	0
1400	-3
1300	-6
1200	-8
1100	-10
1000	-10.5
900	-11
800	-10
700	-8
600	-2
500	5
400	7.5
300	10
200	11
100	15
0	20
-100	20.5
-200	21
-300	21.5
-400	21
-500	21
-600	20.5
-700	20
-800	15
-900	12
-1000	10.5
-1100	10
-1200	7
-1300	5
-1400	2
-1500	0