Frequencies for first 10,000 rows of owner variable in vehicle dataset : Registered | Vehicle | Owner | Freq. Percent Cum. ------------+----------------------------------- 0 | 146 1.46 1.46 1 | 5,611 56.11 57.57 2 | 2,817 28.17 85.74 3 | 898 8.98 94.72 4 | 107 1.07 95.79 5 | 25 0.25 96.04 6 | 56 0.56 96.60 9 | 340 3.40 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016