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

Special Use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,147       91.47       91.47
          1 |          6        0.06       91.53
          3 |          1        0.01       91.54
          4 |          1        0.01       91.55
          5 |         14        0.14       91.69
          7 |          2        0.02       91.71
          9 |         31        0.31       92.02
          . |        798        7.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016