Frequencies for first 10,000 rows of otpuba13 variable in h84 dataset :

    PID COV |
BY/PAYS OTH |
        GOV |
MCAID/SCHIP |
        HMO |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         21        0.21        0.21
          2 |      9,979       99.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Feb 2018