1971 11  7.29  -9.08   -.89 
1971 12  2.40 -11.89  -4.74 
1972 01  5.01 -14.72  -4.85 
1972 02  5.25 -12.01  -3.38 
1972 03 10.16  -6.74   1.71 
1972 04 10.98  -6.21   2.38 
1972 05 15.41  -6.12   4.64 
1972 06 17.79   1.64   9.71 
1972 07 21.44   4.15  12.79 
1972 08 19.62   2.59  11.11 
1972 09 18.02    .15   9.08 
1972 10 12.44  -1.82   5.31 
1972 11  5.24 -11.54  -3.15 
1972 12  3.84 -12.93  -4.54 
1973 01  1.25 -13.41  -6.08 
1973 02  3.08 -11.57  -4.24 
1973 03  2.69 -11.46  -4.38 
1973 04  6.00  -9.71  -1.85 
1973 05 13.62  -2.67   5.47 
1973 06 19.24   1.51  10.37 
1973 07 21.05   3.98  12.51 
1973 08 20.23   2.85  11.54 
1973 09 18.62  -1.02   8.80 
1973 10 15.49  -4.10   5.69 
1973 11  8.49  -6.96    .76 
1973 12  5.46 -10.14  -2.34 
1974 01  2.81 -12.53  -4.85 
1974 02  4.03 -13.80  -4.88 
1974 03  7.62  -6.52    .54 
1974 04 10.24  -6.02   2.10 
1974 05 17.12  -1.20   7.96 
1974 06 23.35   3.94  13.64 
1974 07 19.83   5.13  12.48 
1974 08 18.62   3.61  11.11 
1974 09 17.37    .95   9.16 
1974 10 12.54  -1.86   5.34 
1974 11  8.27  -8.56   -.14 
1974 12  2.38 -13.73  -5.67 
1975 01  3.73 -12.03  -4.14 
1975 02  3.09 -13.82  -5.36 
1975 03  4.82 -10.16  -2.66 
1975 04  5.95  -6.98   -.51 
1975 06 19.45   1.15  10.30 
1975 07 20.14   6.21  13.17 
1975 08 19.87   2.80  11.33 
1975 09 17.01   1.33   9.17 
1975 10 13.88  -4.06   4.91 
1975 12  4.58 -11.83  -3.62 
1976 01  3.99 -13.28  -4.64 
1976 02  5.58  -9.35  -1.88 
1976 03  4.48 -10.04  -2.78 
1976 06 19.62    .34   9.98 
1976 09 15.98   1.71   8.84 
1976 10 10.99  -4.36   3.31 
1976 11  7.84  -8.57   -.36 
1976 12  5.01 -13.11  -4.04 
1977 01  2.09 -13.10  -5.50 
1977 02  4.25 -13.53  -4.64 
1977 03  3.62 -10.30  -3.34 
1977 10 14.63  -1.15   6.74 
1977 11  8.76  -6.08   1.34 
1977 12  6.53  -6.46    . 3 
1978 01  3.13 -10.25  -3.56 
1978 02  2.22 -11.14  -4.46 
1978 03  6.08  -6.89   -.40 
1978 06 19.62   4.14  11.88 
1978 10 14.41  -1.60   6.40 
1978 11  6.01  -6.59   -.28 
1978 12  1.82 -12.21  -5.19 
1979 01  -.21 -14.91  -7.56 
1979 02  3.29 -13.46  -5.08 
1979 03  3.49 -10.06  -3.28 
1979 04  9.52  -5.29   2.11 
1979 06 19.65   1.20  10.42 
1979 07 21.92   4.91  13.41 
1979 08 19.73   3.45  11.59 
1979 09 19.70   2.43  11.07 
1979 10 15.89  -2.85   6.52 
1979 11  5.34  -9.27  -1.96 
1979 12  6.04 -10.06  -2.01 
1980 01  3.48  -8.79  -2.65 
1980 02  5.06  -9.92  -2.43 
1980 03  3.58  -9.74  -3.08 
1980 06 21.96   2.03  11.99 
1980 08 20.75   3.06  11.90 
1980 09 19.59    .87  10.23 
1980 12  7.19  -9.93  -1.37 
1981 02  5.78 -12.23  -3.22 
1981 03  2.55 -10.73  -4.08 
1981 11 11.22  -5.78   2.72 
2010 11  7.79  -9.37   -.79 
2010 12  7.44  -8.08   -.31 
2011 01  4.48 -15.09  -5.30 
2011 02  2.41 -14.21  -5.90 
2011 03  9.01  -5.31   1.85 
2011 04 11.67  -4.05   3.81 
2011 05 15.00  -1.38   6.81 
2011 09 18.85   2.76  10.80 
2011 10 15.52  -3.30   6.11 
2011 11  7.96  -8.24   -.13 
2011 12  2.72 -13.77  -5.52 
2012 01  6.20 -10.85  -2.32 
2012 02  4.77 -11.52  -3.37 
2012 03  7.50  -8.16   -.32 
2012 04 13.92  -3.03   5.44 
2012 05 18.04   -.67   8.68 
2012 06 23.44   2.16  12.80 
2012 08 22.05   6.30  14.17 
2012 09 18.53   1.78  10.15 
2012 12  4.61  -9.51  -2.45 
2013 01  2.70 -99.99 -99.99 
2013 02  2.27 -14.94  -6.33 
2013 03  8.80  -7.49    .65 
2013 04 11.47  -3.96   3.75 
2013 05 16.00   -.98   7.51 
2013 06 23.62   2.93  13.27 
2013 08 19.98   6.24  13.11 
2013 09 18.45   2.65  10.55 
2013 10 13.06  -5.21   3.92 
2013 11  9.03  -6.20   1.41 
2013 12  5.10 -11.20  -3.05 
2014 01  7.53 -10.88  -1.67 
2014 02  6.29  -8.06   -.88 
2014 03  7.62  -6.14    .74 
2014 04 11.00  -4.03   3.48 
