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   0.13 
1956 03  14.53  -2.51   6.01 
1956 04  15.78   0.57   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   0.89   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 
