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

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,183       91.83       91.83
          1 |         12        0.12       91.95
          2 |          1        0.01       91.96
          3 |          1        0.01       91.97
          5 |         21        0.21       92.18
          7 |          2        0.02       92.20
          9 |         87        0.87       93.07
          . |        693        6.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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