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

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,235       92.35       92.35
          1 |         10        0.10       92.45
          3 |          2        0.02       92.47
          4 |          9        0.09       92.56
          5 |          8        0.08       92.64
          6 |          8        0.08       92.72
          7 |          7        0.07       92.79
          9 |         99        0.99       93.78
          . |        622        6.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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