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

Special Use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,058       90.58       90.58
          1 |          9        0.09       90.67
          2 |         12        0.12       90.79
          3 |         12        0.12       90.91
          4 |          2        0.02       90.93
          5 |         12        0.12       91.05
          6 |          6        0.06       91.11
          9 |         37        0.37       91.48
          . |        852        8.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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