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

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,064       90.64       90.64
          1 |          9        0.09       90.73
          2 |          7        0.07       90.80
          3 |         27        0.27       91.07
          4 |          2        0.02       91.09
          5 |         13        0.13       91.22
          6 |         13        0.13       91.35
          7 |         11        0.11       91.46
          9 |         20        0.20       91.66
          . |        834        8.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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