Availability of 1-min Data for 1984 
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1984    JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 
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AMD                 ##* *** *** **- *-* *--
CPS                                                 #*#
DIK                 *** *** *** *** -** *** -** *## #**
JSH     -** -** #**
TIK                                             -*# *-*
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  "-" - No data;    "*" - gaps;    "#" - complete;