Frequencies for first 10,000 rows of placefip variable in natl1996 dataset :

      Place |
  (City) of |
  Resdience |
     (FIPS) |      Freq.     Percent        Cum.
------------+-----------------------------------
      07000 |        705        7.05        7.05
      19000 |          1        0.01        7.06
      22000 |          2        0.02        7.08
      35000 |          1        0.01        7.09
      37000 |        436        4.36       11.45
      43000 |          1        0.01       11.46
      45000 |          1        0.01       11.47
      48000 |          1        0.01       11.48
      50000 |        538        5.38       16.86
      51000 |        560        5.60       22.46
      52010 |          1        0.01       22.47
      56000 |          1        0.01       22.48
      99999 |      7,752       77.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015