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

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,158       91.58       91.58
          1 |          2        0.02       91.60
          2 |          1        0.01       91.61
          3 |         38        0.38       91.99
          5 |         10        0.10       92.09
          6 |          7        0.07       92.16
          7 |         13        0.13       92.29
          9 |        140        1.40       93.69
          . |        631        6.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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