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

special use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,815       88.15       88.15
          1 |         17        0.17       88.32
          2 |          7        0.07       88.39
          3 |        119        1.19       89.58
          5 |         14        0.14       89.72
          8 |          1        0.01       89.73
         99 |         13        0.13       89.86
          . |      1,014       10.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016