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

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,210       92.10       92.10
          2 |          3        0.03       92.13
          3 |          7        0.07       92.20
          4 |          2        0.02       92.22
          5 |         17        0.17       92.39
          6 |         14        0.14       92.53
          7 |          9        0.09       92.62
          9 |        110        1.10       93.72
          . |        628        6.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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