1992 09 23.84  10.69  17.26 
1992 11  7.05   1.78   4.41 
1992 12  2.48 -99.99 -99.99 
1993 03  6.78 -99.99 -99.99 
1993 04 16.16 -99.99 -99.99 
1993 05 24.40   9.47  16.93 
1993 06 27.60  14.05  20.82 
1993 08 29.61  18.04  23.83 
1993 09 21.75  10.21  15.98 
1993 12  -.37  -4.37  -2.36 
1994 02   .51 -99.99 -99.99 
1994 04 18.12   4.00  11.06 
1994 05 23.32   7.28  15.30 
1994 06 29.98 -99.99 -99.99 
1994 07 28.85  16.61  22.73 
1994 08 27.76  14.36  21.06 
1994 09 26.56 -99.99 -99.99 
1994 10 20.49 -99.99 -99.99 
1994 11 13.30   1.68   7.49 
1994 12  7.26   -.62   3.32 
1995 02  3.19 -99.99 -99.99 
1995 03  6.46 -99.99 -99.99 
1995 04 14.61   3.53   9.07 
1995 05 21.14   9.09  15.11 
1995 06 31.12  16.61  23.86 
1995 07 32.46  18.95  25.70 
1995 10 21.80 -99.99 -99.99 
1995 11  3.17  -4.23   -.53 
1996 02  3.35  -8.79  -2.72 
1996 03  5.34  -6.15   -.40 
1996 04 14.44   1.30   7.87 
1996 05 19.52   8.43  13.98 
1996 06 26.88  15.05  20.96 
1996 07 27.70  14.69  21.19 
1996 09 23.40  11.65  17.52 
1996 10 18.17   5.20  11.68 
1996 11  4.33  -3.88    .22 
1996 12  1.02  -7.27  -3.12 
1997 01 -1.97 -12.18  -7.07 
1997 03  7.92  -2.25   2.83 
1997 04 13.34    .76   7.05 
1997 05 18.61   5.48  12.04 
1997 07 29.57  16.12  22.84 
1997 08 26.55  13.99  20.27 
1997 10 18.64   6.33  12.48 
