Frequencies for first 10,000 rows of ins_privmdlab variable in mcbsatc2013 data Private | plan covers | MD/LAB | visit | Freq. Percent Cum. ------------+----------------------------------- 1 | 4,058 40.58 40.58 2 | 448 4.48 45.06 . | 5,494 54.94 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 24 May 2016