Quarter	Cents
1947-01-01	7.50000
1947-04-01	6.80000
1947-07-01	6.50000
1947-10-01	6.20000
1948-01-01	7.20000
1948-04-01	7.00000
1948-07-01	6.90000
1948-10-01	6.80000
1949-01-01	6.10000
1949-04-01	5.20000
1949-07-01	6.00000
1949-10-01	6.00000
1950-01-01	6.20000
1950-04-01	7.40000
1950-07-01	7.60000
1950-10-01	6.90000
1951-01-01	6.10000
1951-04-01	5.80000
1951-07-01	4.70000
1951-10-01	4.80000