Availability of 1-min Data for 1986 
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1986    JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 
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AMD         ##* *#* ### ### ### #*-     **# **# *-* -#*
CPS         *** *#* ### ### ### ### ### ### ### ### ###
DIK         *## #*# #*# ### *## #*# ### ##* ### #*# ###
KHS                                 ***         *#* #**
MOS     -*# **- *#* *#* -*# **- -*# #*- **- ##* *##
TIK         -*# ### *#* **# #*# ### #*# ### ### ### **#
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  "-" - No data;    "*" - gaps;    "#" - complete;