data export using business rule

Summary:we are using PBCS Application, and we got requirement to export the data from pbcs to other systems, in the business rule i started with the set commands and in the fix i mentioned the required dimensions, i need data to be exported as location1,bu1 and location2,bu2 each section seperately but when i export i see the data as location1 bu1 location1 bu2 ,location2 bu1 location2 bu2. i need a command or script to get only the values that will pick location1 bu1 without merging with location2 bu2 please help

fix(year,jan:dec,version,currency)

location1,bu1