Frequencies for first 10,000 rows of totchron variable in namcs2015 dataset :

      Total |
  number of |
    chronic |
 conditions |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |        216        2.16        2.16
          0 |      4,180       41.80       43.96
          1 |      2,338       23.38       67.34
          2 |      1,365       13.65       80.99
          3 |        935        9.35       90.34
          4 |        517        5.17       95.51
          5 |        267        2.67       98.18
          6 |        110        1.10       99.28
          7 |         52        0.52       99.80
          8 |         15        0.15       99.95
          9 |          3        0.03       99.98
         10 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017