Frequencies for first 10,000 rows of per_no variable in miper dataset : Person | Number | Freq. Percent Cum. ------------+----------------------------------- 1 | 9,888 98.88 98.88 2 | 90 0.90 99.78 3 | 14 0.14 99.92 4 | 6 0.06 99.98 5 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016