Frequencies for first 10,000 rows of vintype variable in person dataset : VIN Vehicle | Type | Freq. Percent Cum. ------------+----------------------------------- | 1,191 11.91 11.91 M | 683 6.83 18.74 P | 5,160 51.60 70.34 T | 2,867 28.67 99.01 U | 99 0.99 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016