date	y	ep	xoil	ys	poil
1979Q2	4.520776033	-5.211888925	7.544439142	3.682761061	3.433544001
1979Q3	4.570375918	-5.229791027	7.61777884	3.689015481	3.57632221
1979Q4	4.618344824	-5.249122072	7.691118539	3.711823071	3.696729
1980Q1	4.495811724	-5.261525983	7.469439655	3.714854346	3.661657891
1980Q2	4.372522265	-5.31103223	7.247760771	3.719203174	3.643353188
1980Q3	4.246624439	-5.328585929	7.026081887	3.727205517	3.550054573
1980Q4	4.119564989	-5.33898328	6.804403004	3.735460886	3.679336785
1981Q1	4.116208089	-5.343152964	6.762897076	3.751263818	3.666903634
1981Q2	4.112375745	-5.334538524	6.721391148	3.758592555	3.561323891
1981Q3	4.106192072	-5.338669382	6.679885221	3.770102909	3.571966963
1981Q4	4.099553758	-5.365915725	6.638379293	3.778298876	3.605036964
1982Q1	4.053215629	-5.363575961	6.322533485	3.780647408	3.474382441
1982Q2	4.006901714	-5.389510656	6.006687677	3.789144894	3.535427248
1982Q3	3.958650394	-5.395608299	5.690841869	3.793278907	3.514315771
1982Q4	3.909649265	-5.418409061	5.37499606	3.804046409	3.511950937
1983Q1	3.969708255	-5.419562372	5.716227953	3.815070947	3.38074899
1983Q2	4.029136458	-5.416995854	6.057459847	3.832288018	3.395761388
1983Q3	4.087200921	-5.434450783	6.39869174	3.846064064	3.426575514
1983Q4	4.145054924	-5.430396578	6.739923633	3.860445153	3.372182671
1984Q1	4.131959242	-5.42953546	6.636991354	3.876521857	3.393072892
1984Q2	4.118430958	-5.426863788	6.534059075	3.885435702	3.387143036
1984Q3	4.103798626	-5.415874238	6.431126795	3.897603886	3.3351079
1984Q4	4.089019128	-5.400378809	6.328194516	3.905271033	3.316097221
1985Q1	4.081221349	-5.412825239	6.261901812	3.919041862	3.323724209
1985Q2	4.072481489	-5.413255749	6.195609107	3.927537689	3.296800992
1985Q3	4.062146704	-5.436179683	6.129316402	3.937253053	3.306349052
1985Q4	4.05430264	-5.467284868	6.063023697	3.949447236	3.343944334
1986Q1	4.091745846	-5.464944456	6.277594786	3.95787066	2.879129791
1986Q2	4.130280296	-5.456209799	6.492165875	3.967012578	2.55128928
1986Q3	4.166380436	-5.463185551	6.706736964	3.979392315	2.517459769
1986Q4	4.207013031	-5.460959585	6.921308053	3.988498326	2.689576256
1987Q1	4.21404787	-5.53397415	6.70452491	3.998031501	2.886208784
1987Q2	4.223864437	-5.502252533	6.487741767	4.017538853	2.927671072
1987Q3	4.230468612	-5.503947388	6.270958624	4.036821119	2.949915944
1987Q4	4.244009161	-5.544525173	6.054175481	4.056093757	2.893609265
1988Q1	4.191739731	-5.539733152	6.24293038	4.076873199	2.761788855
1988Q2	4.145039299	-5.521466789	6.431685279	4.087408158	2.785770688
1988Q3	4.094221353	-5.492622212	6.620440178	4.102626555	2.670122565
1988Q4	4.051589988	-5.52405512	6.809195077	4.116548186	2.598154457
1989Q1	4.16449332	-5.508888991	6.783445846	4.128199069	2.861286177
1989Q2	4.28511091	-5.504909202	6.757696615	4.136303393	2.924849863
1989Q3	4.400754201	-5.496959247	6.731947383	4.149040508	2.864130695
1989Q4	4.523727091	-5.525724216	6.706198152	4.166195308	2.963467313
1990Q1	4.320040381	-5.518931411	6.609063372	4.184120208	2.988069657
1990Q2	4.123894038	-5.535049895	6.511928592	4.195802251	2.770347201
1990Q3	3.922023523	-5.868592606	6.414793812	4.206605889	3.273512221
1990Q4	3.728046146	-5.893782146	6.317659031	4.212808489	3.482146033
1991Q1	3.639352954	-5.940632083	5.364371329	4.225004649	3.034424001
1991Q2	3.558795205	-5.935969945	4.411083627	4.234888512	2.933541178
1991Q3	3.472225057	-5.711986482	3.457795925	4.244732733	2.989216527
1991Q4	3.393491717	-5.718922371	2.504508223	4.253812173	3.020652856
1992Q1	3.662836317	-5.682712159	3.780872592	4.267868188	2.901457821
1992Q2	3.940608419	-5.710572979	5.057236962	4.276691721	3.001829035
1992Q3	4.212392302	-5.690287393	6.333601331	4.285497691	3.002616134
1992Q4	4.492077709	-5.647783989	7.6099657	4.295818199	2.954236365
1993Q1	4.456448528	-5.645726988	7.470058794	4.306193778	2.900529866
1993Q2	4.429472881	-5.655291569	7.330151887	4.31582639	2.903960332
1993Q3	4.397128775	-5.676717345	7.190244981	4.324282256	2.802879369
1993Q4	4.372522041	-5.687247386	7.050338075	4.336157215	2.712475179
1994Q1	4.417041948	-5.687365931	7.08653178	4.34843535	2.635957291
1994Q2	4.470434972	-5.695661213	7.122725486	4.359725175	2.775852621
1994Q3	4.519615296	-5.707444791	7.158919191	4.372964257	2.819986872
1994Q4	4.574928531	-5.710186538	7.195112897	4.38398763	2.805078272
1995Q1	4.544943844	-5.730570497	7.147984149	4.396097891	2.827044026
1995Q2	4.522804715	-5.713757739	7.100855402	4.408619924	2.898046747
1995Q3	4.497355588	-5.731683256	7.053726654	4.422316096	2.784494469
1995Q4	4.476318097	-5.727702046	7.006597907	4.428974011	2.832496975
1996Q1	4.489051997	-5.74425433	7.04755658	4.441469435	2.925734187
1996Q2	4.508219708	-5.755664324	7.088515253	4.455008474	2.969032841
1996Q3	4.524518338	-5.760981112	7.129473926	4.467122393	3.021733679
1996Q4	4.544230579	-5.755421739	7.170432599	4.483808709	3.142839573
1997Q1	4.540527057	-5.74769826	7.114963833	4.487986694	3.053120291
1997Q2	4.54169354	-5.755477195	7.059495066	4.497049231	2.893991572
1997Q3	4.540764531	-5.746236906	7.0040263	4.506564091	2.91907423
1997Q4	4.542506319	-5.743170661	6.948557534	4.515802758	2.929249835
1998Q1	4.554383264	-5.736358792	7.001127329	4.500029672	2.644558046
1998Q2	4.569518821	-5.732738818	7.053697124	4.501190899	2.587177232
1998Q3	4.583613957	-5.749661178	7.10626692	4.507137583	2.519027984
1998Q4	4.60149721	-5.769190903	7.158836715	4.518906767	2.40651415
1999Q1	4.581974363	-5.763319455	7.033190242	4.529159223	2.408715312
1999Q2	4.566185795	-5.761572501	6.907543768	4.542442592	2.729517749
1999Q3	4.550329153	-5.785070794	6.781897295	4.555965858	3.011145486
1999Q4	4.537936846	-5.793712601	6.656250821	4.571272787	3.179908993
2000Q1	4.562058524	-5.782052545	6.832181604	4.589595937	3.282078839
2000Q2	4.589685195	-5.791042437	7.008112386	4.602191301	3.288970038
2000Q3	4.617445779	-5.791251471	7.184043168	4.611111665	3.419072562
2000Q4	4.64938804	-5.790632206	7.359973951	4.617545303	3.407821547
2001Q1	4.629556904	-5.786681701	7.253878099	4.624036094	3.267607379
2001Q2	4.613869337	-5.799399185	7.147782247	4.625758771	3.319570086
2001Q3	4.598177708	-5.810212205	7.041686395	4.627845051	3.253357516
2001Q4	4.58660483	-5.812473981	6.935590543	4.630509786	3.005029826
2002Q1	4.603781	-5.817699662	6.975762027	4.644335082	3.064004052
2002Q2	4.625084894	-5.833827696	7.015933511	4.656515927	3.238551747
2002Q3	4.646211071	-5.832442223	7.056104994	4.664793213	3.28434573
2002Q4	4.6713908	-5.841646214	7.096276478	4.673405345	3.280141952
2003Q1	4.718105978	-5.846345641	7.107813666	4.681125601	3.426885434
2003Q2	4.769036102	-5.848438338	7.119350854	4.688416735	3.250070331
2003Q3	4.819574536	-5.871231241	7.130888042	4.704495016	3.341597487
2003Q4	4.873376043	-5.864230978	7.142425229	4.717252161	3.371513673
2004Q1	4.879448532	-5.867014769	7.186886724	4.733021541	3.442492912
2004Q2	4.889085913	-5.874351614	7.231348219	4.742418277	3.558044735
2004Q3	4.898073813	-5.879604808	7.275809714	4.75323783	3.707020946
2004Q4	4.90962149	-5.889698219	7.320271209	4.762649143	3.798039775
2005Q1	4.941822891	-5.908757025	7.355459348	4.774431686	3.866734489
2005Q2	4.97697167	-5.926658019	7.390647486	4.78898922	3.967243688
2005Q3	5.011079503	-5.929988264	7.425835625	4.803203639	4.126152212
2005Q4	5.046820821	-5.943353468	7.461023763	4.818452616	4.057297159
2006Q1	5.045556751	-5.945294845	7.457432779	4.831323433	4.13649972
2006Q2	5.046348197	-5.9573332	7.453841795	4.842940882	4.253459734
2006Q3	5.045633706	-5.974741691	7.450250811	4.853885387	4.258843486
2006Q4	5.045861223	-5.982296634	7.446659827	4.869054542	4.105167798
2007Q1	5.062630069	-5.997493574	7.422161499	4.884786007	4.072053333
2007Q2	5.080721256	-6.010178756	7.397663171	4.897985994	4.228678887
2007Q3	5.09687066	-6.061314801	7.373164843	4.907457106	4.310617909
2007Q4	5.113277156	-6.10937282	7.348666514	4.918752586	4.483791733
2008Q1	5.123133339	-6.177354284	7.393019431	4.930826674	4.567185451
2008Q2	5.133575966	-6.201249675	7.437372347	4.932716305	4.807426619
2008Q3	5.141725022	-6.214587241	7.481725264	4.931050463	4.763262458
2008Q4	5.149563441	-6.193823231	7.52607818	4.92157752	4.045848196
2009Q1	5.124114486	-6.143861809	7.39393193	4.899542005	3.820417632
2009Q2	5.098552362	-6.167951575	7.26178568	4.91597652	4.088227034
2009Q3	5.070473456	-6.171728735	7.129639429	4.926245416	4.232048175
2009Q4	5.041774655	-6.174281276	6.997493179	4.943374331	4.324638807
