1951 01  1.86  -5.59  -1.86 
1951 02  1.95  -7.79  -2.92 
1951 03  6.51  -4.03   1.24 
1951 04 12.03    .33   6.18 
1951 05 20.76   7.83  14.29 
1951 06 25.28  12.99  19.13 
1951 07 27.17  14.34  20.75 
1951 08 26.20  12.67  19.43 
1951 09 22.63   8.96  15.79 
1951 10 19.18   5.01  12.09 
1951 11  5.05  -3.38    .83 
1951 12  4.21  -7.51  -1.64 
1952 01  3.24  -5.09   -.92 
1952 02  2.60  -5.05  -1.22 
1952 03  5.85  -3.98    .93 
1952 04 13.50   2.86   8.18 
1952 05 19.14   5.97  12.55 
1952 06 26.26  13.56  19.91 
1952 07 28.87  16.02  22.44 
1952 08 26.19  13.51  19.85 
1952 09 23.42  10.42  16.92 
1952 10 15.06   1.74   8.40 
1952 11 11.36    .64   6.00 
1952 12  3.75  -3.31    .22 
1953 01  3.99  -4.07    .-4 
1953 02  3.53  -5.64  -1.05 
1953 03  7.52  -1.54   2.99 
1953 04 11.32    .66   5.99 
1953 05 21.03   9.30  15.16 
1953 06 26.57  13.92  20.24 
1953 07 28.65  14.80  21.72 
1953 08 27.86  14.00  20.93 
1953 09 24.60  10.14  17.37 
1953 10 21.85   4.21  13.03 
1953 11 12.07    .68   6.37 
1953 12  5.03  -5.15    .-5 
1973 04 14.84 -99.99 -99.99 
1973 06 26.99 -99.99 -99.99 
1973 07 28.25 -99.99 -99.99 
1973 09 24.76 -99.99 -99.99 
