anchor.diff:  PT_0PTFNC,Funchal (Madeira),Portugal,port
   PT_0PTPXO,"Porto Santo (Ilha de Porto Santo, Madeira)",Portugal,port
   PT_0PTSET,Setúbal,Portugal,port
  +RO_0RO888,Romania - other ports,,port
   SI_0SIKOP,Koper,Slovenia,port
  +SI_0SI888,Slovenia - other ports,Slovenia,port
   FI_0FIECK,Eckerö,Finland,port
   FI_0FIHEL,Helsinki,Finland,port
   FI_0FIMHQ,Mariehamn,Finland,port
  
positive.code: TR_1TRTZX,Trabzon,Turkey,port
  TR_2TRYAL,Yalova,Turkey,port
  TR_1TRZON,Zonguldak,Turkey,port
  
negative.code: IT_0ITTRS,Trieste,Italy,port
  IT_0ITVCE,Venezia,Italy,port
  IT_0ITVUL,Vulcano Porto,Italy,port
  IT_0IT88C,Italy - main ports (confidential data aggregated by Eurostat),Italy,port
  IT_0IT888,Italy - other ports,Italy,port
  CY_0CYLCA,Larnaka,,port
  CY_0CYLMS,Lemesos,,port
  CY_0CY888,Cyprus - other ports,,port
  LV_0LVRIX,Riga,Latvia,port
  LV_0LV888,Latvia - other ports,Latvia,port
  LT_0LTKLJ,Klaipeda,Lithuania,port
  MT_0MTCKW,Cirkewwa,Malta,port
  MT_0MTMGZ,"Mgarr, Gozo",Malta,port
  