Help System (web edition)

LABELS=<distance> 
(in PLOT operation for bar and pie charts) specifies names of the
variables to be plotted on the bars/pies.

<distance> indicates the place of the label. <distance> is given
as # of character widths from the left end of the bar in VBAR charts
and in 10 per cent units of the radius and from the center in PIE
charts.
  P = More information on plotting