1955 01 -99.99 -12.99 -99.99 
1955 02   3.50 -11.09  -3.79 
1955 03   5.65  -7.17   -.76 
1955 05  17.04   0.86   8.95 
1955 06  23.24   6.26  14.75 
1955 08  31.86   9.62  20.74 
1955 11   7.51  -6.06   0.72 
1955 12   5.32  -4.44   0.44 
1956 01   4.56  -5.32   -.38 
1956 02   2.32  -9.16  -3.42 
1956 05  18.45   4.69  11.57 
1956 06  22.82   5.67  14.24 
1956 07  29.01   9.38  19.19 
1956 08  26.82   7.83  17.32 
1956 10  15.06   0.40   7.73 
1956 12   6.76  -7.14   -.18 
1957 01   0.31 -12.79  -6.24 
1957 03   8.77  -2.41   3.18 
1957 05  16.69   3.81  10.25 
1957 06  23.35   6.41  14.88 
1957 08  28.89   8.35  18.62 
1957 09  25.42   5.11  15.26 
1958 01   4.29  -7.99  -1.84 
1958 02   7.49  -1.57   2.95 
1958 03   5.98  -4.57   0.70 
1958 04  11.44   -.85   5.29 
1958 06  22.24   7.25  14.74 
