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

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,187       91.87       91.87
          1 |         14        0.14       92.01
          3 |         25        0.25       92.26
          4 |          7        0.07       92.33
          5 |         19        0.19       92.52
          6 |          6        0.06       92.58
          7 |          6        0.06       92.64
          9 |          9        0.09       92.73
          . |        727        7.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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