1990 11  9.88 -99.99 -99.99 
1991 02  5.07 -99.99 -99.99 
1991 03 10.83 -99.99 -99.99 
1991 04 17.40 -99.99 -99.99 
1991 05 24.92 -99.99 -99.99 
1991 06 30.65 -99.99 -99.99 
1991 07 30.56 -99.99 -99.99 
1991 08 29.13 -99.99 -99.99 
1991 09 23.85 -99.99 -99.99 
1991 10 16.92 -99.99 -99.99 
1991 12  2.51 -99.99 -99.99 
1992 01  3.60 -99.99 -99.99 
1992 03 10.05 -99.99 -99.99 
1992 04 15.22 -99.99 -99.99 
1992 05 23.51 -99.99 -99.99 
1992 06 28.08 -99.99 -99.99 
1992 07 26.21 -99.99 -99.99 
1992 08 26.52 -99.99 -99.99 
1992 09 22.96 -99.99 -99.99 
1992 10 17.37 -99.99 -99.99 
1993 01  -.99 -99.99 -99.99 
1993 02  -.96 -99.99 -99.99 
1993 03  4.84 -99.99 -99.99 
1993 04 13.77 -99.99 -99.99 
1993 05 21.47 -99.99 -99.99 
1993 06 26.13 -99.99 -99.99 
1993 07 28.03 -99.99 -99.99 
1993 08 28.42 -99.99 -99.99 
1993 09 20.55 -99.99 -99.99 
1993 10 16.53 -99.99 -99.99 
1993 11  8.18 -99.99 -99.99 
1993 12  1.92 -99.99 -99.99 
1994 02 -1.22 -99.99 -99.99 
1994 03 10.50 -99.99 -99.99 
1994 04 17.52 -99.99 -99.99 
1994 05 24.33 -99.99 -99.99 
1994 06 28.95 -99.99 -99.99 
1994 07 29.23 -99.99 -99.99 
1994 08 27.35 -99.99 -99.99 
1994 09 25.93 -99.99 -99.99 
1994 10 18.20 -99.99 -99.99 
1994 11  9.68 -99.99 -99.99 
