Frequencies for first 10,000 rows of age variable in nhamcsed2013 dataset :

   Patient age in |
            years |      Freq.     Percent        Cum.
------------------+-----------------------------------
   Under one year |        302        3.02        3.02
                1 |        260        2.60        5.62
                2 |        209        2.09        7.71
                3 |        153        1.53        9.24
                4 |        140        1.40       10.64
                5 |        116        1.16       11.80
                6 |        110        1.10       12.90
                7 |        106        1.06       13.96
                8 |         84        0.84       14.80
                9 |         85        0.85       15.65
               10 |         79        0.79       16.44
               11 |         68        0.68       17.12
               12 |         87        0.87       17.99
               13 |         92        0.92       18.91
               14 |         84        0.84       19.75
               15 |         95        0.95       20.70
               16 |         94        0.94       21.64
               17 |         92        0.92       22.56
               18 |        114        1.14       23.70
               19 |        136        1.36       25.06
               20 |        139        1.39       26.45
               21 |        149        1.49       27.94
               22 |        166        1.66       29.60
               23 |        164        1.64       31.24
               24 |        198        1.98       33.22
               25 |        167        1.67       34.89
               26 |        159        1.59       36.48
               27 |        175        1.75       38.23
               28 |        156        1.56       39.79
               29 |        176        1.76       41.55
               30 |        163        1.63       43.18
               31 |        155        1.55       44.73
               32 |        149        1.49       46.22
               33 |        138        1.38       47.60
               34 |        142        1.42       49.02
               35 |        153        1.53       50.55
               36 |        138        1.38       51.93
               37 |        129        1.29       53.22
               38 |        108        1.08       54.30
               39 |        120        1.20       55.50
               40 |        138        1.38       56.88
               41 |        130        1.30       58.18
               42 |        121        1.21       59.39
               43 |        155        1.55       60.94
               44 |        122        1.22       62.16
               45 |        124        1.24       63.40
               46 |        131        1.31       64.71
               47 |        137        1.37       66.08
               48 |        151        1.51       67.59
               49 |        118        1.18       68.77
               50 |        150        1.50       70.27
               51 |        130        1.30       71.57
               52 |        145        1.45       73.02
               53 |        147        1.47       74.49
               54 |        128        1.28       75.77
               55 |        125        1.25       77.02
               56 |        134        1.34       78.36
               57 |        154        1.54       79.90
               58 |        111        1.11       81.01
               59 |        102        1.02       82.03
               60 |        100        1.00       83.03
               61 |         95        0.95       83.98
               62 |         94        0.94       84.92
               63 |         80        0.80       85.72
               64 |         72        0.72       86.44
               65 |         82        0.82       87.26
               66 |         62        0.62       87.88
               67 |         50        0.50       88.38
               68 |         71        0.71       89.09
               69 |         66        0.66       89.75
               70 |         67        0.67       90.42
               71 |         55        0.55       90.97
               72 |         44        0.44       91.41
               73 |         34        0.34       91.75
               74 |         43        0.43       92.18
               75 |         48        0.48       92.66
               76 |         45        0.45       93.11
               77 |         41        0.41       93.52
               78 |         44        0.44       93.96
               79 |         44        0.44       94.40
               80 |         56        0.56       94.96
               81 |         45        0.45       95.41
               82 |         41        0.41       95.82
               83 |         47        0.47       96.29
               84 |         48        0.48       96.77
               85 |         43        0.43       97.20
               86 |         37        0.37       97.57
               87 |         37        0.37       97.94
               88 |         30        0.30       98.24
               89 |         28        0.28       98.52
               90 |         40        0.40       98.92
               91 |         22        0.22       99.14
               92 |         22        0.22       99.36
93 years and over |         64        0.64      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016