شکریہ زیک:
Period Spot Buying Spot Selling Average
Aug 1947 to Jul-55 Parity/Official Exchange Rate 3,3085
Aug-55 to Apr-72 4,7619 4,7775 4,7697
May-72 to Jan-73 11,0000 11,0156 11,0078
Feb-73 to Dec-81 9,9000 9,9156 9,9078
Period JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY...