Frequencies for first 10,000 rows of countysc variable in sf12010880us24 dataset :

County Size |
      Code9 |      Freq.     Percent        Cum.
------------+-----------------------------------
         10 |          1        0.01        0.01
         11 |          7        0.07        0.08
         12 |         20        0.20        0.28
         13 |        232        2.32        2.60
         14 |        530        5.30        7.90
         15 |        292        2.92       10.82
         16 |      1,717       17.17       27.99
         17 |      1,892       18.92       46.91
         18 |      1,928       19.28       66.19
         19 |      1,224       12.24       78.43
         20 |      1,481       14.81       93.24
         21 |        638        6.38       99.62
         22 |         38        0.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017