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20050118184913996273,33301,EQ,A,"Hemkopskedjan Ab "B" Ordinary Shares 
+(Sweden)",1.0,US,NAS,USD,N,700,OBB,,NAS-OBB,HKPKF.OB, ,0,0.0,,,,,0.0,
+,,00000000,00000000,00000000, , , ,,0.0,1e-06,EQ,N

$parser->field_map(qw/TIMESTAMP INSTRUMENT_ID INSTRUMENT_TYPE STATUS D
+ESCRIPTION
CONSIDERATION_FACTOR COUNTRY_CODE EXCHANGE_ID CURRENCY_ID TRADED_IN_MI
+NOR_CCY
...

      $ids{$csvdata{"INSTRUMENT_ID"}}++;
}