1927 05 99.99   1.49 -99.99 
1927 06 99.99   1.62 -99.99 
1927 07  9.07   5.64   7.35 
1927 08  9.85   6.68   8.26 
1927 09  9.20   4.88   7.04 
1927 10  5.49   2.33   3.91 
1927 11  5.45   1.46   3.45 
1927 12  2.89  -1.01    .94 
1928 01   .50  -3.78  -1.64 
1928 02  1.99  -2.08    .-4 
1928 03  1.19  -2.85   -.82 
1928 04  3.39  -1.40    .99 
1928 05  3.63    .51   2.07 
1928 06  6.12   3.07   4.59 
1928 07  7.49   4.98   6.24 
1928 08  9.17   5.93   7.55 
1928 09  8.00   4.19   6.10 
1928 10  5.81   2.28   4.04 
1928 11  3.66  -1.00   1.33 
1928 12  4.30  -2.26   1.02 
1929 01  4.73   -.31   2.21 
1929 02  4.58  -1.01   1.78 
1929 03  3.78  -2.08    .84 
1929 04  6.12    .29   3.20 
1929 05  7.10   1.51   4.30 
1970 10 -1.56 -12.86  -7.21 
1970 11 -4.61 -15.87 -10.24 
1970 12 16.73 -29.07 -22.90 
1971 01 24.12 -37.62 -30.87 
1971 02 13.64 -26.07 -19.85 
1971 03 10.13 -28.63 -19.37 
1971 04   .89 -12.18  -5.64 
1971 05  9.87   -.38   4.74 
1971 06 21.01   6.71  13.86 
1971 07 19.19   6.14  12.66 
1971 08 17.78   6.35  12.06 
1971 09 11.82   -.62   5.60 
1971 10  1.45  -7.16  -2.85 
1971 11 -9.89 -24.00 -16.94 
1971 12 -8.68 -23.90 -16.29 
1972 01 13.96 -31.80 -22.88 
1972 04  1.50 -15.50  -7.00 
1972 05 11.58    .49   6.03 
1972 06 18.76   5.24  12.00 
1972 09 11.44   -.70   5.37 
1972 11 -8.13 -19.20 -13.66 
1973 04  7.13 -99.99 -99.99 
1973 12 12.93 -99.99 -99.99 
1974 01 16.44 -32.29 -24.36 
1974 02 16.93 -32.32 -24.62 
1974 04  8.71  -7.80    .45 
1975 08 18.50   4.32  11.41 
1975 09  9.30    .41   4.85 
1975 10   .81 -11.29  -5.24 
1975 11 15.46 -28.91 -22.18 
1975 12 22.14 -32.04 -27.09 
1976 01 19.12 -30.16 -24.64 
1976 02 16.65 -35.72 -26.18 
1976 05 12.66    . 7   6.36 
