Frequencies for first 10,000 rows of demotype variable in maa_to_m2009 dataset :

                           Demo Type |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                                     |      9,977       99.77       99.77
Continuing Care Retirement Community |          2        0.02       99.79
                              ESRD I |         21        0.21      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 14 Apr 2016