1980 04 99.99  21.23 -99.99 
1980 06 99.99  17.95 -99.99 
1980 08 99.99 -99.99  26.80 
1980 09 99.99 -99.99  27.50 
1980 10 99.99 -99.99  28.10 
1980 11 99.99 -99.99  27.80 
1980 12 99.99  20.52  27.30 
1981 01 99.99  20.31  27.30 
1981 02 99.99 -99.99  27.20 
1981 03 99.99 -99.99  27.60 
1981 04 99.99 -99.99  27.60 
1981 05 99.99 -99.99  27.60 
1981 06 99.99 -99.99  26.10 
1981 07 99.99 -99.99  25.50 
1981 09 99.99  18.12 -99.99 
1981 10 99.99  20.07 -99.99 
1981 11 99.99 -99.99  27.90 
1981 12 99.99  21.31  27.70 
1982 01 99.99 -99.99  27.30 
1982 03 99.99 -99.99  27.30 
1982 04 99.99 -99.99  27.50 
1982 05 99.99 -99.99  26.80 
1982 06 99.99 -99.99  25.60 
1982 07 99.99 -99.99  27.70 
1982 10 99.99 -99.99  28.60 
1982 11 99.99 -99.99  27.60 
1982 12 99.99 -99.99  27.80 
1983 03 99.99 -99.99  28.10 
1983 05 99.99 -99.99  28.70 
1983 06 99.99 -99.99  23.40 
1983 07 99.99  17.62  26.50 
1983 08 99.99 -99.99  26.60 
1983 10 99.99 -99.99  28.10 
1983 11 99.99 -99.99  28.40 
1983 12 99.99 -99.99  29.40 
1984 02 99.99 -99.99  29.00 
1984 03 99.99 -99.99  29.20 
1984 06 99.99 -99.99  26.90 
1984 07 99.99 -99.99  28.10 
1984 08 33.20 -99.99  28.00 
1984 09 99.99 -99.99  29.50 
1984 10 99.99 -99.99  30.00 
1984 11 99.99 -99.99  29.50 
1984 12 99.99 -99.99  29.00 
1985 01 99.99 -99.99  29.20 
1985 03 99.99 -99.99  29.50 
1985 04 99.99 -99.99  28.20 
1985 05 99.99 -99.99  28.90 
1985 06 99.99 -99.99  27.10 
1985 07 99.99 -99.99  27.60 
1985 08 99.99 -99.99  26.70 
1985 09 99.99 -99.99  28.00 
1985 10 99.99 -99.99  29.20 
1985 11 99.99 -99.99  29.20 
1985 12 99.99 -99.99  29.40 
1986 01 99.99 -99.99  28.80 
1986 02 99.99 -99.99  28.80 
1986 03 99.99 -99.99  28.40 
1986 04 99.99 -99.99  28.30 
1986 05 99.99 -99.99  27.90 
1986 06 99.99 -99.99  27.90 
1986 07 99.99 -99.99  26.70 
1986 08 99.99 -99.99  26.90 
1986 09 99.99 -99.99  27.40 
1986 10 99.99 -99.99  28.80 
1986 11 99.99 -99.99  28.90 
1986 12 99.99 -99.99  27.90 
1987 01 99.99 -99.99  29.00 
1987 02 99.99 -99.99  28.80 
1987 03 99.99 -99.99  29.20 
1987 04 99.99 -99.99  29.50 
1987 10 99.99 -99.99  30.00 
1987 11 99.99 -99.99  29.70 
1987 12 99.99 -99.99  29.20 
1988 02 33.41  20.19  26.80 
1992 05 34.21  22.62  28.41 
1994 07 32.15 -99.99 -99.99 
1995 03 99.99  22.20 -99.99 
1995 08 34.05  19.45  26.75 
1996 09 33.61  20.84  27.22 
2001 07 30.71  18.71  24.71 
2001 08 34.33  19.45  26.89 
2001 09 33.68  21.30  27.49 
2001 10 33.87 -99.99 -99.99 
2001 11 32.27  22.01  27.14 
2002 02 31.04  21.81  26.42 
2002 08 33.58  20.40  26.99 
2002 12 31.42  22.00  26.71 
2003 01 31.80  22.19  26.99 
2003 07 32.08 -99.99 -99.99 
2003 08 99.99  17.79 -99.99 
2003 11 32.30 -99.99 -99.99 
2004 01 31.12  21.80  26.46 
2004 02 30.64  21.72  26.18 
2004 03 31.94  21.86  26.90 
2005 03 31.60  22.29  26.94 
2005 05 32.21  21.09  26.65 
2006 10 34.09  22.26  28.18 
2007 03 32.31  21.80  27.05 
2007 05 30.21  18.62  24.41 
2007 07 32.18  18.25  25.21 
2007 09 34.54  21.40  27.97 
2009 02 30.82  22.33  26.57 
2009 03 31.63  22.40  27.01 
2009 04 31.35  21.91  26.63 
2009 06 30.11  19.41  24.76 
2009 07 32.07  19.17  25.62 
2009 08 34.41  20.49  27.45 
2009 09 34.46  21.40  27.93 
2009 10 33.93  22.37  28.15 
2009 11 32.52  22.22  27.37 
2009 12 31.01  21.76  26.38 
2010 01 31.08  21.57  26.32 
