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

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,240       92.40       92.40
          1 |          5        0.05       92.45
          2 |          6        0.06       92.51
          3 |         46        0.46       92.97
          4 |          2        0.02       92.99
          5 |          7        0.07       93.06
          6 |          8        0.08       93.14
          7 |          7        0.07       93.21
          9 |        110        1.10       94.31
          . |        569        5.69      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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