anchor.diff:  "United Kingdom, excluding England and Scotland",UKExEngSct,,
   England,Eng,,
   Scotland,Sct,,
  -Ireland,IRL,,
  -Denmark,DNK,,
  -Norway,NOR,,
  -Sweden,SWE,,
  +Ireland,Irl,,
  +Denmark,Dnk,,
  +Norway,Nor,,
  +Sweden,Swe,,
   Other Northern Europe,OthNorEur,,
   Western Europe,WesEur,,
  -Austria,AUT,,
  -Belgium,BEL,,
  -France,FRA,,
  -Germany,DEU,,
  -Netherlands,NLD,,
  -Switzerland,CHE,,
  +Austria,Aut,,
  +Belgium,Bel,,
  +France,Fra,,
  +Germany,Deu,,
  +Netherlands,Nld,,
  +Switzerland,Che,,
   Other Western Europe,OthWesEur,,
   Southern Europe,SouEur,,
  -Greece,GRC,,
  -Italy,ITA,,
  -Portugal,PRT,,
  -Spain,ESP,,
  -Other Southern Europe,OSE,,
  -Eastern Europe,EEU,,
  -Albania,ALB,,
  -Belarus,BLR,,
  -Bulgaria,BGR,,
  -Croatia,HRV,,
  +Greece,Grc,,
  +Italy,Ita,,
  +Portugal,Prt,,
  +Spain,Esp,,
  +Other Southern Europe,Ose,,
  +Eastern Europe,Eeu,,
  +Albania,Alb,,
  +Belarus,Blr,,
  +Bulgaria,Bgr,,
  +Croatia,Hrv,,
   Czechoslovakia (includes Czech Republic and Slovakia),Czvk,,
  -Hungary,HUN,,
  -Latvia,LVA,,
  -Lithuania,LTU,,
  -Macedonia,MKD,,
  -Moldova,MDA,,
  -Poland,POL,,
  -Romania,ROU,,
  -Russia,RUS,,
  -Ukraine,UKR,,
  -Bosnia and Herzegovina,BIH,,
  +Hungary,Hun,,
  +Latvia,Lva,,
  +Lithuania,Ltu,,
  +Macedonia,Mkd,,
  +Moldova,Mda,,
  +Poland,Pol,,
  +Romania,Rou,,
  +Russia,Rus,,
  +Ukraine,Ukr,,
  +Bosnia and Herzegovina,Bih,,
   Yugoslavia,Yug,,
  -Serbia,SRB,,
  +Serbia,Srb,,
   Other Eastern Europe,OthEasEur,,
   "Europe, n.e.c.",EurNec,,
   Asia,Asa,,
   Eastern Asia,EasAsa,,
  -China,CHN,,
  -"China, excluding Hong Kong and Taiwan",CHNExHKGTwn,,
  -Hong Kong,HKG,,
  +China,Chn,,
  +"China, excluding Hong Kong and Taiwan",ChnExHkgTwn,,
  +Hong Kong,Hkg,,
   Taiwan,Twn,,
  -Japan,JPN,,
  -Korea,KOR,,
  +Japan,Jpn,,
  +Korea,Kor,,
   Other Eastern Asia,OthEasAsa,,
   South Central Asia,SouCenAsa,,
  -Afghanistan,AFG,,
  -Bangladesh,BGD,,
  -India,IND,,
  -Iran,IRN,,
  -Kazakhstan,KAZ,,
  -Nepal,NPL,,
  -Pakistan,PAK,,
  -Sri Lanka,LKA,,
  -Uzbekistan,UZB,,
  +Afghanistan,Afg,,
  +Bangladesh,Bgd,,
  +India,Ind,,
  +Iran,Irn,,
  +Kazakhstan,Kaz,,
  +Nepal,Npl,,
  +Pakistan,Pak,,
  +Sri Lanka,Lka,,
  +Uzbekistan,Uzb,,
   Other South Central Asia,OthSouCenAsa,,
   South Eastern Asia,SouEasAsa,,
  -Cambodia,KHM,,
  -Indonesia,IDN,,
  -Laos,LAO,,
  -Malaysia,MYS,,
  -Burma,MMR,,
  -Philippines,PHL,,
  -Singapore,SGP,,
  -Thailand,THA,,
  -Vietnam,VNM,,
  +Cambodia,Khm,,
  +Indonesia,Idn,,
  +Laos,Lao,,
  +Malaysia,Mys,,
  +Burma,Mmr,,
  +Philippines,Phl,,
  +Singapore,Sgp,,
  +Thailand,Tha,,
  +Vietnam,Vnm,,
   Other South Eastern Asia,OthSouEasAsa,,
   Western Asia,WesAsa,,
  -Iraq,IRQ,,
  -Israel,ISR,,
  -Jordan,JOR,,
  -Kuwait,KWT,,
  -Lebanon,LBN,,
  -Saudi Arabia,SAU,,
  -Syria,SYR,,
  -Yemen,YEM,,
  -Turkey,TUR,,
  -Armenia,ARM,,
  +Iraq,Irq,,
  +Israel,Isr,,
  +Jordan,Jor,,
  +Kuwait,Kwt,,
  +Lebanon,Lbn,,
  +Saudi Arabia,Sau,,
  +Syria,Syr,,
  +Yemen,Yem,,
  +Turkey,Tur,,
  +Armenia,Arm,,
   Other Western Asia,OthWesAsa,,
   "Asia,n.e.c.",AsaNec,,
   Africa,Afr,,
   Eastern Africa,EasAfr,,
  -Eritrea,ERI,,
  -Ethiopia,ETH,,
  -Kenya,KEN,,
  +Eritrea,Eri,,
  +Ethiopia,Eth,,
  +Kenya,Ken,,
   Other Eastern Africa,OthEasAfr,,
   Middle Africa,MidAfr,,
  -Cameroon,CMR,,
  +Cameroon,Cmr,,
   Other Middle Africa,OthMidAfr,,
   Northern Africa,NorAfr,,
  -Egypt,EGY,,
  -Morocco,MAR,,
  -Sudan,SDN,,
  +Egypt,Egy,,
  +Morocco,Mar,,
  +Sudan,Sdn,,
   Other Northern Africa,OthNorAfr,,
   Southern Africa,SouAfr,,
  -South Africa,ZAF,,
  +South Africa,Zaf,,
   Other Southern Africa,OthSouAfr,,
   Western Africa,WesAfr,,
  -Cape Verde,CPV,,
  -Ghana,GHA,,
  -Liberia,LBR,,
  -Nigeria,NGA,,
  -Sierra Leone,SLE,,
  +Cape Verde,Cpv,,
  +Ghana,Gha,,
  +Liberia,Lbr,,
  +Nigeria,Nga,,
  +Sierra Leone,Sle,,
   Other Western Africa,OthWesAfr,,
   "Africa, n.e.c.",AfrNec,,
   Oceania,Ocn,,
   Australia and New Zealand Subregion,AusNzlSbg,,
  -Australia,AUS,,
  +Australia,Aus,,
   Other Australian and New Zealand Subregion,OthAusNzlSbg,,
  -Fiji,FJI,,
  +Fiji,Fji,,
   "Oceania, n.e.c.",OcnNec,,
   Americas,Amrs,,
   Latin America,LatAm,,
   Caribbean,Crb,,
  -Bahamas,BHS,,
  -Barbados,BRB,,
  -Cuba,CUB,,
  -Dominica,DMA,,
  -Dominican Republic,DOM,,
  -Grenada,GRD,,
  -Haiti,HTI,,
  -Jamaica,JAM,,
  -St. Vincent and the Grenadines,VCT,,
  -Trinidad and Tobago,TTO,,
  -West Indies,WID,,
  +Bahamas,Bhs,,
  +Barbados,Brb,,
  +Cuba,Cub,,
  +Dominica,Dma,,
  +Dominican Republic,Dom,,
  +Grenada,Grd,,
  +Haiti,Hti,,
  +Jamaica,Jam,,
  +St. Vincent and the Grenadines,Vct,,
  +Trinidad and Tobago,Tto,,
  +West Indies,Wid,,
   Other Caribbean,OthCrb,,
   Central America,CenAm,,
  -Mexico,MEX,,
  -Belize,BLZ,,
  -Costa Rica,CRI,,
  -El Salvador,SLV,,
  -Guatemala,GTM,,
  -Honduras,HND,,
  -Nicaragua,NIC,,
  -Panama,PAN,,
  +Mexico,Mex,,
  +Belize,Blz,,
  +Costa Rica,Cri,,
  +El Salvador,Slv,,
  +Guatemala,Gtm,,
  +Honduras,Hnd,,
  +Nicaragua,Nic,,
  +Panama,Pan,,
   Other Central America,OthCenAm,,
   South America,SouAm,,
  -Argentina,ARG,,
  -Bolivia,BOL,,
  -Brazil,BRA,,
  -Chile,CHL,,
  -Colombia,COL,,
  -Ecuador,ECU,,
  -Guyana,GUY,,
  -Peru,PER,,
  -Uruguay,URY,,
  -Venezuela,VEN,,
  +Argentina,Arg,,
  +Bolivia,Bol,,
  +Brazil,Bra,,
  +Chile,Chl,,
  +Colombia,Col,,
  +Ecuador,Ecu,,
  +Guyana,Guy,,
  +Peru,Per,,
  +Uruguay,Ury,,
  +Venezuela,Ven,,
   Other South America,OthSouAm,,
   Northern America,NorAm,,
  -Canada,CAN,,
  +Canada,Can,,
   Other Northern America,OthNorAM,,
   Other areas,OthArea,,
   Entered before 1990,,,
  
positive.code: South,GeoS,,
  West,GeoW,,
  Born outside the United States,,,
  Puerto Rico,PRI,,
  U.S. Island Areas,USI,,
  Born abroad of American parent(s),,,
  Foreign born,,,
  Naturalized U.S. citizen,,,
  
negative.code: Unclassified or not reported,OrNotRep,,
  Ancestry specified,Spc,,
  Single ancestry,Anc,,
  Multiple ancestry,MultAnc,,
  Ancestry not specified,NotSpc,,
  Ancestry unclassified,Unc,,
  Ancestry not reported,NotRep,,
  