,GSPC,DTB3
02/01/1979,96.730003,
03/01/1979, ,9.31
04/01/1979,98.580002,9.31
05/01/1979,99.129997,9.34
08/01/1979,98.800003,9.36
09/01/1979,99.330002,9.27
10/01/1979,98.769997,9.25
11/01/1979,99.099998,9.28
12/01/1979,99.93,9.35
15/01/1979,100.690002,9.44
16/01/1979,99.459999,9.44
17/01/1979,99.480003,9.44
18/01/1979,99.720001,9.46
19/01/1979,99.75,9.4
22/01/1979,99.900002,9.34