Frequencies for asc3_measure_nat_rate variable in ambulatory_surgical_measures_ ASC3_Measur | e_Nat_Rate | Freq. Percent Cum. ------------+----------------------------------- .028 | 1 50.00 50.00 .039 | 1 50.00 100.00 ------------+----------------------------------- Total | 2 100.00 by Jean Roth , jroth@nber.org , 15 Nov 2016