data djia;
input Year HighDate date7. High LowDate date7. Low;
format highdate lowdate date7.;
datalines;
1968 03DEC68 985.21 21MAR68 825.13
1969 14MAY69 968.85 17DEC69 769.93
1970 29DEC70 842.00 06MAY70 631.16
1971 28APR71 950.82 23NOV71 797.97
1972 11DEC72 1036.27 26JAN72 889.15
1973 11JAN73 1051.70 05DEC73 788.31
1974 13MAR74 891.66 06DEC74 577.60
1975 15JUL75 881.81 02JAN75 632.04
1976 21SEP76 1014.79 02JAN76 858.71
1977 03JAN77 999.75 02NOV77 800.85
1978 08SEP78 907.74 28FEB78 742.12
1979 05OCT79 897.61 07NOV79 796.67
1980 20NOV80 1000.17 21APR80 759.13
1981 27APR81 1024.05 25SEP81 824.01
1982 27DEC82 1070.55 12AUG82 776.92
1983 29NOV83 1287.20 03JAN83 1027.04
1984 06JAN84 1286.64 24JUL84 1086.57
1985 16DEC85 1553.10 04JAN85 1184.96
1986 02DEC86 1955.57 22JAN86 1502.29
1987 25AUG87 2722.42 19OCT87 1738.74
1988 21OCT88 2183.50 20JAN88 1879.14
1989 09OCT89 2791.41 03JAN89 2144.64
1990 16JUL90 2999.75 11OCT90 2365.10
1991 31DEC91 3168.83 09JAN91 2470.30
1992 01JUN92 3413.21 09OCT92 3136.58
1993 29DEC93 3794.33 20JAN93 3241.95
1994 31JAN94 3978.36 04APR94 3593.35
1995 13DEC95 5216.47 30JAN95 3832.08
1996 27DEC96 6560.90 10JAN96 5032.94
1997 06AUG97 8259.30 11APR97 6391.69
1998 23NOV98 9374.27 31AUG98 7539.06
1999 31DEC99 11497.12 22JAN99 9120.67
2000 14JAN00 11722.98 07MAR00 9796.04
2001 21MAY01 11337.92 21SEP01 8235.81
2002 19MAR02 10635.25 09OCT02 7286.27
2003 31DEC03 10453.92 11MAR03 7524.06
2004 28DEC04 10854.54 25OCT04 9749.99
2005 04MAR05 10940.55 20APR05 10012.36
2006 27DEC06 12510.57 20JAN06 10667.39
2007 09OCT07 14164.53 05MAR07 12050.41
2008 02MAY08 13058.20 10OCT08 8451.19
;