Frequencies for first 10,000 rows of totchron variable in namcs2005 dataset :

      total |
  number of |
    chronic |
 conditions |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,711       47.11       47.11
          1 |      2,300       23.00       70.11
          2 |      1,277       12.77       82.88
          3 |        775        7.75       90.63
          4 |        365        3.65       94.28
          5 |        147        1.47       95.75
          6 |         60        0.60       96.35
          7 |         21        0.21       96.56
          8 |         11        0.11       96.67
          9 |          2        0.02       96.69
         10 |          1        0.01       96.70
         99 |        330        3.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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