1948 01 99.99 -99.99 -15.50 
1948 02 99.99 -99.99 -22.00 
1948 03 99.99 -99.99 -18.29 
1948 04 99.99 -99.99  -9.80 
1948 05 99.99 -99.99    .90 
1948 06 99.99 -99.99   3.70 
1948 07 99.99 -99.99   9.50 
1948 08 99.99 -99.99  10.20 
1948 09 99.99 -99.99   6.60 
1948 11 99.99 -99.99  -2.80 
1948 12 99.99 -99.99  -9.70 
1949 01 99.99 -99.99 -17.60 
1949 02 99.99 -99.99 -21.20 
1949 03 99.99 -99.99 -12.90 
1949 04 99.99 -99.99  -8.39 
1949 05 99.99 -99.99  -1.90 
1949 06 99.99 -99.99   5.20 
1949 07 99.99 -99.99   8.89 
1949 11 99.99 -99.99  -6.40 
1949 12 99.99 -99.99 -11.90 
1950 01 99.99 -99.99 -23.70 
1950 02 99.99 -99.99 -21.70 
1950 03 99.99 -99.99 -11.00 
1950 05 99.99 -99.99   1.40 
1950 09 99.99 -99.99   5.10 
1950 11 99.99 -99.99  -4.60 
1950 12 99.99 -99.99  -9.60 
1951 02 99.99 -99.99 -17.00 
1951 03 99.99 -99.99 -10.40 
1951 04 99.99 -99.99  -3.30 
1951 05 99.99 -99.99    . 0 
1951 06 99.99 -99.99   7.30 
1951 07 99.99 -99.99  11.30 
1951 08 99.99 -99.99  11.30 
1951 09 99.99 -99.99   6.80 
1951 12 99.99 -99.99 -16.29 
1952 01 99.99 -99.99 -19.70 
1952 02 99.99 -99.99 -18.90 
1952 10 99.99 -99.99  -3.40 
1952 11 99.99 -99.99  -9.60 
1952 12 99.99 -99.99 -12.00 
1953 01 99.99 -99.99 -19.79 
1953 02 99.99 -99.99 -17.29 
