15.64.49.16  YEARS      - Values   are  given  by  year  and  Julian  day.
YEAR+DAY*.001

                                  Example
Jan 1 1976=1976.001

     1.  LABELS - Specifies the maximum number of labelled years. 
         (Default:6)
     2.  TICKS   -  Specifies  the  maximum  number  of  ticks  per  year.
         SHORT,LONG specify either long or short ticks.