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

Special Use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,092       90.92       90.92
          1 |         14        0.14       91.06
          2 |          1        0.01       91.07
          5 |          9        0.09       91.16
          6 |          5        0.05       91.21
          8 |          1        0.01       91.22
         99 |          8        0.08       91.30
          . |        870        8.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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