Frequencies for first 10,000 rows of ip_hepatb variable in natlterr2014 dataset

Hepatitis B |
      Y Yes |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,077       10.77       10.77
          N |      8,754       87.54       98.31
          U |        127        1.27       99.58
          Y |         42        0.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016