1955 04 14.11  -1.11   6.50 
1955 05 20.82   3.74  12.28 
1955 06 27.26   9.39  18.32 
1955 07 30.13  11.85  20.99 
1955 08 33.16  12.40  22.78 
1955 09 27.04   8.07  17.55 
1955 10 21.54   2.76  12.15 
1955 11 13.66  -1.98   5.84 
1955 12  9.47  -2.06   3.70 
1956 01  9.35  -2.84   3.25 
1956 02  6.86  -6.59    .13 
1956 03 14.53  -2.51   6.01 
1956 04 15.78    .57   8.17 
1956 05 20.34   4.67  12.50 
1956 06 25.80   8.80  17.29 
1956 07 30.64  12.67  21.65 
1956 08 29.36  11.74  20.55 
1956 09 27.80   9.68  18.74 
1956 10 18.24   3.30  10.77 
1956 11 13.74  -3.48   5.13 
1956 12  9.91  -6.39   1.76 
1957 01  4.51  -8.14  -1.81 
1957 02 10.60   -.94   4.83 
1957 03 13.40    .89   7.14 
1957 04 16.21   1.48   8.84 
1957 05 18.95   5.42  12.19 
1957 06 28.65  11.69  20.17 
