typo?? March 1973 ... or March 1995??
from http://research.stlouisfed.org/fred2/data/EXJPUS.txt
DATE           VALUE
1973-01-01  301.7882
1973-02-01  278.4206
1973-03-01  261.9014
1973-04-01  265.4914
1973-05-01  264.6505
1973-06-01  264.4981
1973-07-01  264.5538
1973-08-01  265.2200
1973-09-01  265.4747
1973-10-01  266.3348
1973-11-01  278.2625
1973-12-01  280.1775
1995-01-01   99.7660
1995-02-01   98.2368
1995-03-01   90.5196
1995-04-01   83.6895
1995-05-01   85.1127
1995-06-01   84.6355
1995-07-01   87.3970
1995-08-01   94.7383
1995-09-01  100.5455
1995-10-01  100.8390
1995-11-01  101.9400
1995-12-01  101.8495