Frequencies for first 10,000 rows of fwalkct variable in familyxx2008 dataset : # family | members | having | difficulty | walking w/o | equipment | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,064 90.64 90.64 1 | 899 8.99 99.63 2 | 35 0.35 99.98 3 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 10 May 2016