1925 11 -6.51 -12.80  -9.65 
1925 12 -9.04 -15.94 -12.49 
1926 01 24.16 -30.68 -27.42 
1926 02 27.06 -32.18 -29.62 
1926 03 12.77 -21.65 -17.20 
1926 04 -2.72 -12.92  -7.82 
1926 05  6.28 -99.99 -99.99 
1926 06  8.62 -99.99 -99.99 
1926 07 13.06 -99.99 -99.99 
1930 10   .92  -5.51  -2.29 
1930 11 -7.22 -12.15  -9.68 
1930 12 21.16 -26.49 -23.82 
1931 01 17.07 -25.02 -21.04 
1931 02 22.10 -30.87 -26.48 
1931 03 20.07 -29.72 -24.89 
1931 04 12.05 -21.24 -16.64 
1931 05  1.99  -3.52   -.76 
1931 06  8.83   2.42   5.62 
1931 07 12.53   5.21   8.87 
1931 08 10.14   4.80   7.47 
1931 09  6.29   2.00   4.14 
1931 10 -1.65  -7.19  -4.42 
1931 11 11.99 -17.61 -14.80 
1931 12 18.52 -24.43 -21.47 
1932 01 28.79 -34.75 -31.77 
1932 02 23.23 -31.91 -27.57 
1932 03 13.20 -20.92 -17.06 
1932 04 -8.62 -18.77 -13.69 
1932 05  3.49  -1.59    .95 
1932 06  5.53   -.14   2.69 
1932 07 10.37   4.17   7.27 
1932 09  6.19    .67   3.43 
1932 10  -.47  -5.48  -2.97 
1932 11 -7.49 -14.19 -10.84 
1932 12 19.04 -25.56 -22.30 
1933 01 28.98 -35.07 -32.02 
1933 02 15.64 -25.96 -20.80 
1933 03 17.27 -25.65 -21.46 
1933 04 -9.41 -18.75 -14.08 
1933 05  -.84  -7.51  -4.17 
1933 06  4.09   -.81   1.64 
1933 07 12.43   5.77   9.10 
1933 08 11.03   5.13   8.08 
1933 09  5.48    .-2   2.73 
1933 10  -.52  -5.99  -3.25 
1933 11 -8.88 -13.50 -11.19 
1933 12 20.81 -28.28 -24.54 
1934 01 22.38 -29.89 -26.13 
1934 02 26.16 -33.49 -29.82 
1934 03 22.85 -31.26 -27.05 
1934 04 -7.67 -19.37 -13.52 
1934 05 -2.74 -10.92  -6.83 
1934 06  5.39   -.24   2.57 
1934 07 10.74   3.94   7.34 
1934 08 10.72   3.85   7.28 
1934 09  3.40   -.83   1.28 
1934 10 -1.17  -6.84  -4.01 
1934 11 -7.69 -13.28 -10.48 
1934 12 21.24 -27.91 -24.57 
1935 01 28.61 -37.12 -32.86 
1935 02 26.33 -34.06 -30.19 
1935 03 21.54 -30.80 -26.17 
1935 04 -4.77 -15.76 -10.26 
1935 05  -.98  -8.26  -4.62 
1935 06  7.06   -.26   3.40 
1935 07 12.33   5.16   8.74 
1935 08 10.85   5.11   7.98 
1935 09  7.31   2.03   4.67 
1935 10  1.34  -4.80  -1.73 
1935 11 -9.89 -16.03 -12.96 
1935 12 16.86 -22.31 -19.58 
1936 01 17.11 -27.18 -22.14 
1936 02 13.20 -23.43 -18.31 
1936 03 12.66 -21.78 -17.22 
1936 04 -3.46 -14.32  -8.88 
1936 05  -.27  -6.69  -3.48 
1936 06  6.38    .79   3.58 
1936 07 11.35   5.68   8.51 
1936 08  9.49   4.48   6.99 
1936 09  4.76    . 3   2.39 
1936 10 -4.03  -9.00  -6.51 
1936 11 13.00 -18.95 -15.98 
1936 12 21.97 -28.01 -24.99 
1937 01 27.71 -33.56 -30.63 
1937 02 24.08 -31.03 -27.55 
1937 03 -9.97 -18.66 -14.31 
1937 04 11.53 -18.52 -15.02 
1937 05  -.75  -7.32  -4.03 
1937 06  5.98   1.37   3.67 
1937 07 11.03   5.60   8.31 
1937 08  9.14   4.66   6.90 
1937 10 -1.33  -7.47  -4.40 
1937 11 -3.94 -10.08  -7.01 
1937 12 17.65 -26.02 -21.83 
1938 01 22.73 -29.62 -26.17 
1938 02 28.03 -34.34 -31.18 
1938 03 20.54 -31.70 -26.12 
1938 04 11.80 -21.98 -16.89 
1938 05  -.15  -7.84  -3.99 
1938 06  5.84   -.60   2.62 
1938 07  9.28   3.65   6.46 
1938 08  9.05   3.62   6.33 
1938 09  4.92   -.41   2.26 
1938 10 -1.49  -7.07  -4.28 
1938 11 -9.85 -14.89 -12.37 
1938 12 16.99 -24.01 -20.50 
1939 01 16.37 -25.32 -20.84 
1939 02 28.51 -34.25 -31.38 
1939 03 20.12 -29.81 -24.97 
1939 04 -7.25 -16.14 -11.69 
1939 05   .57  -6.66  -3.04 
1939 06  6.21   -.75   2.73 
1939 07 10.00   3.10   6.55 
1939 08  9.55   3.81   6.68 
1939 09  5.66    .37   3.01 
1939 10 -3.14  -8.89  -6.01 
1939 11 -6.64 -13.79 -10.21 
1939 12 17.44 -24.75 -21.09 
1940 01 14.23 -24.21 -19.21 
1940 02 19.82 -27.32 -23.57 
1940 03 14.01 -23.60 -18.80 
1940 04 -3.70 -13.49  -8.59 
1940 05   .-8 -10.12  -5.10 
1940 06  5.70   -.12   2.79 
1940 07 10.12   3.21   6.66 
1940 09  4.50    .14   2.32 
1977 07 99.99   6.61 -99.99 
1977 09 99.99   1.31 -99.99 
1977 10  4.50  -2.61    .94 
1978 02 99.99 -26.32 -99.99 
1978 04 99.99 -13.96 -99.99 
1978 05 99.99  -2.29 -99.99 
1978 07 99.99   6.76 -99.99 
1978 09 99.99    .38 -99.99 
1978 10 99.99  -6.11 -99.99 
1978 11 -5.73 -16.62 -11.17 
1978 12 99.99 -26.96 -99.99 
1979 02 99.99 -32.80 -99.99 
1979 05 99.99  -1.39 -99.99 
1979 06 99.99   5.75 -99.99 
1979 07 19.65   8.07  13.86 
1979 08 99.99   7.31 -99.99 
1979 09 99.99   1.41 -99.99 
1979 11 99.99 -12.12 -99.99 
1979 12 10.38 -99.99 -99.99 
1980 02 99.99 -29.67 -99.99 
1980 05 99.99  -1.57 -99.99 
1980 06 99.99   3.07 -99.99 
1980 07 99.99   7.77 -99.99 
1980 08 20.37  10.25  15.31 
1980 09 99.99   1.00 -99.99 
1980 10  1.58  -4.71  -1.57 
1980 11 -5.04 -99.99 -99.99 
1980 12 99.99 -31.04 -99.99 
1981 01 99.99 -28.92 -99.99 
1981 02 20.12 -99.99 -99.99 
1981 03 11.39 -99.99 -99.99 
1981 04 99.99 -14.46 -99.99 
1981 05 99.99  -4.87 -99.99 
1981 06 99.99   1.83 -99.99 
1981 07 99.99   7.79 -99.99 
1981 08  8.00   3.97   5.98 
1981 09  5.78   1.36   3.57 
1981 11 -1.56 -99.99 -99.99 
1982 02 99.99 -32.86 -99.99 
1982 06 99.99   4.48 -99.99 
1982 07 99.99   8.06 -99.99 
1982 08 99.99   6.15 -99.99 
1983 06 99.99   4.65 -99.99 
1983 07  7.39   2.09   4.74 
1983 08  6.34   2.52   4.43 
1983 09 99.99   4.98 -99.99 
1984 06 99.99   3.93 -99.99 
1984 07 99.99   9.78 -99.99 
1984 08 99.99   8.57 -99.99 
1985 05 99.99  -6.60 -99.99 
1985 06 99.99   5.90 -99.99 
1985 07 99.99   8.25 -99.99 
1995 10 -1.33 -99.99 -99.99 
1996 01 20.36 -32.80 -26.58 
1996 02 19.14 -27.81 -23.47 
1996 04 -4.53 -13.90  -9.21 
1996 06  5.10   -.51   2.29 
1996 09  6.39    .30   3.34 
1996 10 -1.96  -6.92  -4.44 
1996 11 -7.71 -13.62 -10.66 
1997 02 28.08 -33.97 -31.02 
1997 03 16.43 -23.62 -20.02 
1997 04 12.29 -21.90 -17.09 
1997 05  3.04  -4.44   -.70 
1997 06  9.59   1.68   5.63 
1997 07 10.64   4.17   7.41 
1997 08 10.00   3.70   6.85 
1997 10   .20  -4.86  -2.33 
1998 06  8.85   1.93   5.39 
1998 07 11.84   5.45   8.64 
1998 09  8.46   3.36   5.91 
1998 10  -.86  -6.22  -3.54 
1999 02 27.89 -35.68 -31.78 
1999 03 14.80 -23.72 -19.26 
1999 09  5.53    .21   2.87 
1999 10 -3.18  -8.17  -5.67 
2000 03 15.66 -25.17 -20.41 
2000 05 -2.17 -10.10  -6.13 
2000 06  8.58    .24   4.41 
2000 07 11.06   3.48   7.27 
2000 08 10.95   4.52   7.73 
2000 09  6.65   1.67   4.16 
2000 10 -1.71  -7.69  -4.69 
2001 02 21.87 -30.63 -26.25 
2001 03 15.92 -23.66 -19.79 
2001 04 -8.97 -18.17 -13.57 
2001 06  6.87    .87   3.87 
2001 07 14.16   6.27  10.21 
2001 08 12.52   5.81   9.16 
2001 09  6.14   1.40   3.77 
2001 10   .63  -4.66  -2.01 
2001 11 -7.45 -13.96 -10.70 
2001 12 11.34 -18.21 -14.78 
2002 01 21.51 -28.59 -25.05 
2002 02 26.57 -33.68 -30.12 
2002 03 19.98 -28.63 -24.30 
2002 04 10.68 -19.92 -15.30 
2002 05   .-2  -7.56  -3.79 
2002 07 12.57   4.91   8.74 
2002 08 12.45   5.25   8.85 
2002 09  6.65   1.54   4.09 
2002 10   .93  -3.96  -1.51 
2002 11 -4.84 -10.85  -7.84 
2002 12 10.04 -16.85 -13.44 
2003 02 27.32 -32.41 -29.87 
2003 04 10.41 -20.69 -15.55 
2003 05  2.82  -3.71   -.44 
2003 06  9.10   1.31   5.20 
2003 07 12.78   4.23   8.51 
2003 08 13.04   5.30   9.17 
2003 09  7.15   2.31   4.73 
2003 10  1.46  -4.08  -1.31 
2003 11 -6.35 -12.04  -9.19 
2003 12 -9.87 -17.76 -13.81 
2004 01 20.74 -27.92 -24.33 
2004 02 18.51 -26.58 -22.54 
2004 03 23.00 -32.49 -27.74 
2004 04 -8.75 -19.11 -13.93 
2004 05  3.50  -2.88    .30 
2004 06  6.43    .55   3.49 
2005 07 12.33   5.03   8.68 
2005 08 11.17   4.67   7.92 
2005 09  4.79  -1.36   1.71 
2005 10   .73  -5.30  -2.28 
2006 03 10.89 -17.71 -14.30 
2006 04 -8.29 -17.56 -12.92 
2007 04 -9.14 -18.87 -14.01 
2007 09  5.72   -.54   2.59 
2008 05  3.75  -2.08    .83 
2009 09  5.93   -.24   2.84 
2013 05 -2.47  -8.93  -5.70 
