date	y	ep	xoil	ys	poil
1979Q2	4.862509934	-4.593411459	7.561547305	4.002917673	3.433544001
1979Q3	4.89184708	-4.638743106	7.583727077	4.010131817	3.57632221
1979Q4	4.911475437	-4.596552895	7.605906849	4.022327252	3.696729
1980Q1	4.908488742	-4.521666323	7.536027111	4.03227581	3.661657891
1980Q2	4.892662834	-4.58933641	7.466147374	4.029129771	3.643353188
1980Q3	4.873954334	-4.652716059	7.396267636	4.028997661	3.550054573
1980Q4	4.847794635	-4.712317029	7.326387898	4.032276967	3.679336785
1981Q1	4.752561694	-4.721279377	7.177672887	4.037295345	3.666903634
1981Q2	4.647047902	-4.705923989	7.028957875	4.0423682	3.561323891
1981Q3	4.538522905	-4.690432527	6.880242864	4.047058265	3.571966963
1981Q4	4.425514627	-4.674487215	6.731527852	4.049166225	3.605036964
1982Q1	4.50440932	-4.685249557	6.790609018	4.052520405	3.474382441
1982Q2	4.576192768	-4.708871894	6.849690184	4.055209223	3.535427248
1982Q3	4.645277017	-4.73194907	6.908771349	4.053264907	3.514315771
1982Q4	4.713859475	-4.75450568	6.967852515	4.055759635	3.511950937
1983Q1	4.655184655	-4.780446354	6.917317323	4.063356892	3.38074899
1983Q2	4.59420566	-4.807572033	6.86678213	4.075257503	3.395761388
1983Q3	4.530981253	-4.833981299	6.816246938	4.08356256	3.426575514
1983Q4	4.468831871	-4.859711024	6.765711745	4.09576283	3.372182671
1984Q1	4.472640867	-4.885135757	6.793140734	4.107399225	3.393072892
1984Q2	4.476489704	-4.910096085	6.820569723	4.108572932	3.387143036
1984Q3	4.478736115	-4.934205494	6.847998712	4.119876674	3.3351079
1984Q4	4.483911013	-4.957984686	6.875427701	4.126087067	3.316097221
1985Q1	4.482353446	-4.9833737	6.84355334	4.133036471	3.323724209
1985Q2	4.483359853	-5.009036635	6.811678979	4.143608938	3.296800992
1985Q3	4.483657318	-5.03413075	6.779804617	4.153388306	3.306349052
1985Q4	4.485739804	-5.058538987	6.747930256	4.161880597	3.343944334
1986Q1	4.434816611	-5.029074869	6.835869443	4.164045459	2.879129791
1986Q2	4.385608032	-5.020678344	6.92380863	4.173936005	2.55128928
1986Q3	4.336973876	-5.079991634	7.011747817	4.182389436	2.517459769
1986Q4	4.289799036	-5.116316647	7.099687003	4.18799226	2.689576256
1987Q1	4.253911721	-5.190572891	6.931589811	4.187469434	2.886208784
1987Q2	4.219407348	-5.206889904	6.763492618	4.205814526	2.927671072
1987Q3	4.186364245	-5.229923386	6.595395425	4.216814265	2.949915944
1987Q4	4.154404542	-5.354420306	6.427298232	4.232506939	2.893609265
1988Q1	4.201717502	-5.344556735	6.567936528	4.239136757	2.761788855
1988Q2	4.250096699	-5.295776981	6.708574824	4.248064838	2.785770688
1988Q3	4.299836235	-5.288403602	6.849213119	4.258948627	2.670122565
1988Q4	4.351686922	-5.338316205	6.989851415	4.26870044	2.598154457
1989Q1	4.348073438	-5.308085008	6.900220473	4.277868608	2.861286177
1989Q2	4.346420068	-5.282316715	6.810589532	4.283732844	2.924849863
1989Q3	4.3455011	-5.319384765	6.72095859	4.292069522	2.864130695
1989Q4	4.347329833	-5.356376975	6.631327648	4.30373641	2.963467313
1990Q1	4.359770513	-5.359811969	6.771473181	4.320073812	2.988069657
1990Q2	4.374966546	-5.39228614	6.911618713	4.325201563	2.770347201
1990Q3	4.390081942	-5.457619913	7.051764246	4.332129225	3.273512221
1990Q4	4.407823905	-5.493482881	7.191909778	4.337456789	3.482146033
1991Q1	4.446055611	-5.445614996	7.15749223	4.341990456	3.034424001
1991Q2	4.486954875	-5.425485568	7.123074681	4.350273443	2.933541178
1991Q3	4.527083441	-5.469125323	7.088657133	4.355971441	2.989216527
1991Q4	4.570201197	-5.517506768	7.054239584	4.362937803	3.020652856
1992Q1	4.53870073	-5.490856572	7.061837207	4.376399566	2.901457821
1992Q2	4.510202775	-5.553926288	7.069434829	4.377706173	3.001829035
1992Q3	4.480610825	-5.526747162	7.077032452	4.381387685	3.002616134
1992Q4	4.453767425	-5.477853038	7.084630074	4.383050286	2.954236365
1993Q1	4.481436791	-5.520381716	7.055410746	4.381522009	2.900529866
1993Q2	4.511854513	-5.553344524	7.026191417	4.38587765	2.903960332
1993Q3	4.541385413	-5.516937223	6.996972089	4.392027581	2.802879369
1993Q4	4.573506445	-5.512013774	6.967752761	4.399136992	2.712475179
1994Q1	4.555428219	-5.564421259	6.990734947	4.408305344	2.635957291
1994Q2	4.540078824	-5.612204704	7.013717133	4.412509312	2.775852621
1994Q3	4.524177612	-5.485363379	7.036699319	4.421569821	2.819986872
1994Q4	4.510186436	-5.31319879	7.059681506	4.430291336	2.805078272
1995Q1	4.508823444	-5.344004415	7.044290398	4.439225769	2.827044026
1995Q2	4.509557409	-5.386279854	7.02889929	4.445760707	2.898046747
1995Q3	4.510013204	-5.381668562	7.013508183	4.451171445	2.784494469
1995Q4	4.512441094	-5.403798635	6.998117075	4.455451912	2.832496975
1996Q1	4.518543455	-5.345352175	7.008489381	4.462216021	2.925734187
1996Q2	4.52684343	-5.351326041	7.018861688	4.469905493	2.969032841
1996Q3	4.535063457	-5.366205951	7.029233994	4.477661293	3.021733679
1996Q4	4.544412414	-5.383169452	7.0396063	4.484883011	3.142839573
1997Q1	4.558485926	-5.331280934	7.030638591	4.489673391	3.053120291
1997Q2	4.573951343	-5.348535369	7.021670882	4.501504736	2.893991572
1997Q3	4.589446079	-5.347970562	7.012703173	4.508952747	2.91907423
1997Q4	4.605986065	-5.351742983	7.003735465	4.518798458	2.929249835
1998Q1	4.587289476	-5.329941297	7.024943632	4.524252717	2.644558046
1998Q2	4.569923578	-5.343055285	7.046151799	4.527878381	2.587177232
1998Q3	4.552643026	-5.388902883	7.067359967	4.534027679	2.519027984
1998Q4	4.535511892	-5.431751899	7.088568134	4.53935132	2.40651415
1999Q1	4.554324079	-5.37902347	7.011422529	4.546726078	2.408715312
1999Q2	4.573591426	-5.374188167	6.934276923	4.554301739	2.729517749
1999Q3	4.592992282	-5.42387972	6.857131318	4.56578404	3.011145486
1999Q4	4.612501215	-5.424668726	6.779985713	4.579010562	3.179908993
2000Q1	4.609334729	-5.331132213	6.832401957	4.591171206	3.282078839
2000Q2	4.606509996	-5.304527802	6.884818202	4.602259795	3.288970038
2000Q3	4.604035713	-5.215476241	6.937234447	4.607087464	3.419072562
2000Q4	4.600780461	-5.210013547	6.989650691	4.614819468	3.407821547
2001Q1	4.614825486	-5.339749342	6.951538457	4.620039979	3.267607379
2001Q2	4.628278502	-5.161647251	6.913426222	4.619971372	3.319570086
2001Q3	4.642318391	-5.153763512	6.875313988	4.622462042	3.253357516
2001Q4	4.655593398	-5.140720078	6.837201754	4.623318656	3.005029826
2002Q1	4.652373067	-4.37202816	6.858693312	4.630026765	3.064004052
2002Q2	4.648569784	-4.406312691	6.880184871	4.636905626	3.238551747
2002Q3	4.645418794	-4.387373871	6.901676429	4.643151726	3.28434573
2002Q4	4.640736146	-4.430020169	6.923167987	4.646773105	3.280141952
2003Q1	4.671067601	-4.436686893	6.964227722	4.650111699	3.426885434
2003Q2	4.700003763	-4.276793227	7.005287456	4.652261175	3.250070331
2003Q3	4.729383217	-4.266462531	7.04634719	4.662560495	3.341597487
2003Q4	4.75778769	-4.349380009	7.087406924	4.668483494	3.371513673
2004Q1	4.765422896	-4.349978016	7.115496842	4.678863155	3.442492912
2004Q2	4.772131375	-4.310002386	7.14358676	4.686262716	3.558044735
2004Q3	4.778930453	-4.295415322	7.171676679	4.69323345	3.707020946
2004Q4	4.784324751	-4.324090069	7.199766597	4.699451732	3.798039775
2005Q1	4.823503967	-4.346493456	7.189816806	4.705472783	3.866734489
2005Q2	4.861339246	-4.312552354	7.179867015	4.714422043	3.967243688
2005Q3	4.89876694	-4.32209859	7.169917224	4.72369148	4.126152212
2005Q4	4.93541851	-4.321386086	7.159967433	4.732576004	4.057297159
2006Q1	4.936340419	-4.321543313	7.200508876	4.742594075	4.13649972
2006Q2	4.936535912	-4.345713603	7.241050319	4.754771527	4.253459734
2006Q3	4.93581002	-4.342718882	7.281591762	4.762406259	4.258843486
2006Q4	4.934024043	-4.388244892	7.322133205	4.773568883	4.105167798
2007Q1	4.955057927	-4.399056868	7.284217925	4.783957879	4.072053333
2007Q2	4.975097943	-4.418745083	7.246302646	4.791765856	4.228678887
2007Q3	4.993816505	-4.477593428	7.208387366	4.799112136	4.310617909
2007Q4	5.011969836	-4.517865011	7.170472086	4.805879616	4.483791733
2008Q1	5.012464222	-4.59369148	7.200715867	4.815636929	4.567185451
2008Q2	5.012408054	-4.600763476	7.230959648	4.815128747	4.807426619
2008Q3	5.010863868	-4.57175518	7.261203428	4.812954581	4.763262458
2008Q4	5.008409352	-4.576975799	7.291447209	4.80186742	4.045848196
2009Q1	5.00748091	-4.554792628	7.198763716	4.773356512	3.820417632
2009Q2	5.00577891	-4.574407567	7.106080222	4.777452271	4.088227034
2009Q3	5.002593376	-4.594370322	7.013396729	4.785649764	4.232048175
2009Q4	4.998408095	-4.60560954	6.920713235	4.796807667	4.324638807
