data djia; input Year @7 HighDate date7. High @24 LowDate date7. Low; format highdate lowdate date7.; datalines; 1954 31DEC54 404.39 11JAN54 279.87 1955 30DEC55 488.40 17JAN55 388.20 ...more data lines... 1993 29DEC93 3794.33 20JAN93 3241.95 1994 31JAN94 3978.36 04APR94 3593.35 ;