Frequencies for first 10,000 rows of per_typ variable in person dataset :

person type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,805       58.05       58.05
          2 |      3,239       32.39       90.44
          3 |         34        0.34       90.78
          4 |          4        0.04       90.82
          5 |        699        6.99       97.81
          6 |        123        1.23       99.04
          7 |          1        0.01       99.05
          8 |         43        0.43       99.48
          9 |         47        0.47       99.95
         10 |          4        0.04       99.99
         19 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016