1955 12  3.06  -7.35  -2.14 
1956 01  3.14 -10.43  -3.64 
1956 02 -2.02 -15.94  -8.97 
1956 03  4.69  -9.22  -2.26 
1956 04 11.11  -4.28   3.41 
1956 07 26.26   8.20  17.23 
1956 08 24.83   6.56  15.69 
1956 09 23.65   3.34  13.49 
1956 10 16.71  -1.30   7.70 
1956 11  3.09 -10.21  -3.56 
1956 12  1.66 -10.43  -4.38 
1957 01 -1.19 -13.41  -7.30 
1957 02  4.42  -7.41  -1.49 
1957 03  4.17  -8.22  -2.02 
1957 04  6.92  -5.28    .81 
1957 05 13.22    .12   6.67 
1957 06 20.64   3.65  12.14 
1957 07 25.70   7.51  16.60 
1957 08 25.77   6.96  16.36 
1957 09 20.56   1.04  10.79 
1957 10 13.85  -1.09   6.38 
1957 12  3.61 -10.16  -3.27 
1958 01  2.57 -13.61  -5.52 
1958 02  4.25  -7.31  -1.53 
1958 03  1.45 -11.44  -4.99 
1958 04  7.88  -4.87   1.50 
