Frequencies for first 10,000 rows of totchron variable in nhamcsopd2006 dataset :

  total number of |
          chronic |
       conditions |      Freq.     Percent        Cum.
------------------+-----------------------------------
                0 |      4,832       48.32       48.32
                1 |      2,544       25.44       73.76
                2 |      1,145       11.45       85.21
                3 |        633        6.33       91.54
                4 |        305        3.05       94.59
                5 |        147        1.47       96.06
                6 |         43        0.43       96.49
                7 |         17        0.17       96.66
                8 |          5        0.05       96.71
                9 |          2        0.02       96.73
               10 |          1        0.01       96.74
Entire item blank |        326        3.26      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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