Frequencies for first 10,000 rows of totdiag variable in nhamcsed2008 dataset :

         total number of tests/services |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
'none' box and all item fields are blan |        188        1.88        1.88
                                      0 |      3,032       30.32       32.20
                                      1 |      2,141       21.41       53.61
                                      2 |        782        7.82       61.43
                                      3 |        468        4.68       66.11
                                      4 |        422        4.22       70.33
                                      5 |        468        4.68       75.01
                                      6 |        431        4.31       79.32
                                      7 |        492        4.92       84.24
                                      8 |        519        5.19       89.43
                                      9 |        406        4.06       93.49
                                     10 |        292        2.92       96.41
                                     11 |        197        1.97       98.38
                                     12 |         97        0.97       99.35
                                     13 |         39        0.39       99.74
                                     14 |         15        0.15       99.89
                                     15 |         11        0.11      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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