Data - Google Sheets

	A	B	C	D	E
1	x	Y1	Y2	Y3	Y4
2	50	0.58819	4.6302	-557.63	-2911.7
3	52	2.1577	-1.5564	1591.8	249.2
4	54	2.151758	1.094226	729.724	-638.998
5	56	2.59862	0.307452	1113.99	-132.91
6	58	2.77964	0.720938	944.58	-199.125
7	60	2.523435	0.848738	724.3227	-345.202
8	62	2.707855	0.461426	823.2082	-85.3638
9	64	2.719964	0.66643	727.4155	-120.095
10	66	2.735318	0.546246	690.5645	-69.3375
11	68	2.644091	0.45822	678.6545	-71.4475
12	70	2.495445	0.436913	660.6764	-93.4551
13	72	2.451518	0.332336	584.9891	-51.5945
14	74	2.389764	0.214123	562.2218	-21.6012
15	76	2.436509	0.198781	546.7582	2.413364
16	78	2.213391	0.142423	534.6664	4.958818
17	80	2.120127	0.020049	523.9491	34.36718
18	82	2.107345	-0.05675	518.8473	82.67809
19	84	1.998136	-0.09506	512.5991	112.073
20	86	1.963645	-0.20725	504.3182	162.6166
21	88	1.828345	-0.21298	484.1027	209.553
22	90	1.792845	-0.19491	467.2609	260.7848
23	92	1.762791	-0.17104	457.8536	310.5797
24	94	1.7132	-0.1269	449.3055	358.4082
25	96	1.586578	-0.06214	449.69	388.4827
26	98	1.363932	-0.06999	466.6782	414.5409
27	100	1.318666	-0.05056	473.9855	461.7236
28	102	1.252328	-0.02145	482.2645	503.0855
29	104	1.192862	-0.02121	492.9727	555.1409
30	106	1.171953	0.047107	520.7355	595.4473
31	108	1.014005	0.07113	546.2355	635.2555
32	110	0.998951	0.153977	564.5182	669.2891
33	112	0.96806	0.186822	586.51	710.7255
34	114	0.950165	0.202608	605.3509	743.0927
35	116	0.841255	0.225285	631.3055	770.3955
36	118	0.843623	0.271087	648.9118	801.1427
37	120	0.832619	0.32774	666.4591	827.5282
38	122	0.819763	0.348434	681.6564	853.3036
39	124	0.799733	0.392566	695.0845	879.8064
40	126	0.796218	0.409333	702.2391	896.5945
41	128	0.753587	0.39362	699.25	927.41
42	130	0.793585	0.466191	701.7873	948.2618
43	132	0.758515	0.449367	706.81	974.3391
44	134	0.750435	0.43602	710.9909	1000.368
45	136	0.707888	0.459255	719.5973	1026.157
46	138	0.701165	0.499205	728.8336	1055.88
47	140	0.661575	0.516371	736.9609	1085.054
48	142	0.634411	0.527051	740.7027	1111.884
49	144	0.5987	0.554641	755.4355	1145.384
50	146	0.574546	0.574472	772.2436	1175.482
51	148	0.546366	0.629548	796.9073	1203.918
52	150	0.520825	0.653449	810.9627	1229.464
53	152	0.500906	0.682138	822.8318	1255.355
54	154	0.485176	0.705426	843.8009	1280.855
55	156	0.471346	0.74333	866.0409	1297.373
56	158	0.466692	0.763405	889.1727	1312.918
57	160	0.464367	0.787626	908.9173	1319.227
58	162	0.465072	0.810166	932.0345	1318.855
59	164	0.463822	0.830858	950.8764	1318.609
60	166	0.474935	0.853403	966.8645	1316.873
61	168	0.466196	0.862956	970.5418	1319.945
62	170	0.464387	0.872685	975.1736	1313.055
63	172	0.467435	0.873485	972.1545	1305.882
64	174	0.479537	0.89708	991.4582	1292
65	176	0.467837	0.907939	979.0718	1282.836
66	178	0.470989	0.918769	986.0673	1266.845
67	180	0.477145	0.932732	974.0991	1258.118
68	182	0.46844	0.934319	952.4955	1255.536
69	184	0.444325	0.954314	943.0382	1257.127
70	186	0.434094	0.960127	931.5818	1255.209
71	188	0.400676	0.969127	914.5427	1259.245
72	190	0.385131	0.989988	898.01	1260.136
73	192	0.357905	1.007325	884.0873	1262.818
74	194	0.327684	1.033392	872.6773	1281.2
75	196	0.291344	1.033074	844.4955	1294.873
76	198	0.267741	1.044585	832.8027	1306.873
77	200	0.215568	1.069735	803.4473	1323
78	202	0.163318	1.083317	793.1055	1333.391
79	204	0.109077	1.109935	800.0055	1360.018
80	206	0.068025	1.123717	777.1455	1390.409
81	208	0.021691	1.152027	757.1009	1426.191
82	210	-0.00886	1.167691	744.5727	1452.018
83	212	-0.0492	1.192755	735.0718	1482.345
84	214	-0.09657	1.2129	723.5673	1522.927
85	216	-0.14001	1.236727	721.47	1546.245
86	218	-0.19463	1.2637	719.7682	1566.236
87	220	-0.24713	1.293027	722.1209	1599.464
88	222	-0.29055	1.307009	728.3909	1634.718
89	224	-0.33092	1.3427	724.96	1671.982
90	226	-0.36733	1.355445	713.34	1694.973
91	228	-0.42699	1.375882	727.7073	1715
92	230	-0.47905	1.4061	739.0218	1733.845
93	232	-0.53392	1.430909	742.0864	1752.673
94	234	-0.59439	1.449345	753.7909	1768.145
95	236	-0.64984	1.477927	763.6282	1782.373
96	238	-0.70682	1.496227	772.2418	1799.618
97	240	-0.76065	1.513682	772.2555	1830.009
98	242	-0.81372	1.534955	777.0991	1842.491
99	244	-0.86712	1.561836	780.3182	1863.9
100	246	-0.92717	1.585055	786.1382	1881.845