1951 01  5.96  -6.04    .-3 
1951 02  6.67  -5.79    .44 
1951 03 99.99  -2.47 -99.99 
1951 04 15.96   2.17   9.06 
1951 05 23.60   7.03  15.31 
1951 06 26.74  13.37  20.05 
1951 07 28.93  13.84  21.38 
1951 08 28.36  11.35  19.85 
1951 09 24.50   7.35  15.92 
1951 10 20.84   2.25  11.54 
1951 11  8.09  -4.29   1.90 
1951 12  7.16  -6.89    .13 
1971 04 15.68    .45   8.06 
1971 05 20.09   6.19  13.14 
1971 07 27.04  13.66  20.35 
1971 08 26.93  12.13  19.53 
1971 09 25.46  13.08  19.27 
1971 10 21.92   8.35  15.14 
1971 11 10.91   -.49   5.21 
1971 12  9.35  -1.81   3.77 
1972 02  1.93  -7.91  -2.99 
1972 03  9.32  -3.91   2.70 
1972 04 15.89   2.75   9.32 
1972 05 22.91   8.71  15.81 
1972 06 23.33  10.71  17.02 
1972 07 27.51  15.81  21.66 
1972 08 27.01  13.44  20.22 
1972 09 25.26  11.73  18.49 
1972 10 15.25   3.14   9.19 
1972 11  9.09   -.69   4.20 
1972 12  6.30  -1.62   2.34 
1973 01  4.55  -6.45   -.94 
1973 02  3.49  -6.95  -1.72 
1973 03 14.93   3.04   8.98 
1973 04 14.54   4.76   9.64 
1973 05 19.58   7.94  13.76 
1973 06 28.11  14.82  21.46 
1973 07 28.12  15.37  21.74 
1973 08 28.31  15.58  21.94 
1973 09 26.19  11.67  18.93 
1973 10 20.58   6.09  13.33 
1973 11 11.65    .82   6.23 
1973 12  5.13  -4.05    .53 
1974 01  6.30  -2.45   1.92 
1974 02  4.82  -7.28  -1.23 
1974 03 11.51  -1.09   5.21 
1974 04 16.62   3.45  10.04 
1974 05 21.36   7.40  14.38 
1974 06 24.34  11.44  17.89 
1974 07 28.41  13.75  21.08 
1974 08 27.65  14.34  20.99 
1974 09 22.00  10.01  16.00 
1974 10 16.46   2.45   9.46 
1974 11 11.78    .99   6.38 
