Frequencies for first 10,000 rows of totdiag variable in nhamcsed2014 dataset :

    Total number of diagnostic services |
                    ordered or provided |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
'None' box and all item fields are blan |         64        0.64        0.64
                                      0 |      2,655       26.55       27.19
                                      1 |      2,396       23.96       51.15
                                      2 |        956        9.56       60.71
                                      3 |        671        6.71       67.42
                                      4 |        628        6.28       73.70
                                      5 |        573        5.73       79.43
                                      6 |        517        5.17       84.60
                                      7 |        474        4.74       89.34
                                      8 |        326        3.26       92.60
                                      9 |        275        2.75       95.35
                                     10 |        187        1.87       97.22
                                     11 |        104        1.04       98.26
                                     12 |         71        0.71       98.97
                                     13 |         43        0.43       99.40
                                     14 |         31        0.31       99.71
                                     15 |         19        0.19       99.90
                                     16 |          4        0.04       99.94
                                     17 |          5        0.05       99.99
                                     18 |          1        0.01      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017