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

Special Use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,085       90.85       90.85
          1 |         11        0.11       90.96
          3 |          7        0.07       91.03
          4 |          4        0.04       91.07
          5 |         11        0.11       91.18
          6 |          3        0.03       91.21
          9 |          4        0.04       91.25
          . |        875        8.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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