Frequencies for first 10,000 rows of mancarec variable in namcs2010 dataset :

   how many |
    managed |
       care |
  contracts |
  does this |
   practice |
      have? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        365        3.65        3.65
       none |        813        8.13       11.78
         <3 |        853        8.53       20.31
       3-10 |      3,335       33.35       53.66
        >10 |      4,634       46.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016