LOCCOUNT produces a Location Counts table. MODES produces a Modes table. ALPHA= specifies a 99 percent confidence limit as the default for all statistics. CIBASIC(ALPHA=.05) specifies a 95 percent confidence limit for the basic measures. CIPCTLDF produces distribution-free confidence limits for the quantiles. 
proc univariate data=score loccount modes alpha=.01 
                cibasic(alpha=.05) cipctldf;