Frequencies for cbsaex variable in impact2006 dataset :

   Contains |
        the |
Reclassifed |
   CBSA for |
  Providers |
 Reclassing |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,810       99.63       99.63
      16220 |          2        0.05       99.69
      22020 |          1        0.03       99.71
      25060 |          1        0.03       99.74
      33540 |          2        0.05       99.79
      35644 |          5        0.13       99.92
      43620 |          3        0.08      100.00
------------+-----------------------------------
      Total |      3,824      100.00

by Jean Roth , jroth@nber.org , 17 Mar 2016