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

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,178       91.78       91.78
          1 |          4        0.04       91.82
          2 |          5        0.05       91.87
          3 |         28        0.28       92.15
          4 |          2        0.02       92.17
          5 |         13        0.13       92.30
          6 |          9        0.09       92.39
          7 |          1        0.01       92.40
          9 |         17        0.17       92.57
          . |        743        7.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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