Frequencies for first 10,000 rows of totchron variable in nhamcsed2013 dataset :

     Total number of chronic conditions |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
'None' box and all item fields are blan |        230        2.30        2.30
                                      0 |      7,902       79.02       81.32
                                      1 |      1,323       13.23       94.55
                                      2 |        372        3.72       98.27
                                      3 |        129        1.29       99.56
                                      4 |         33        0.33       99.89
                                      5 |          9        0.09       99.98
                                      6 |          2        0.02      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016