Frequencies for first 10,000 rows of age variable in nhamcsed2010 dataset :

    Patient age in |
             years |      Freq.     Percent        Cum.
-------------------+-----------------------------------
    under one year |        256        2.56        2.56
                 1 |        239        2.39        4.95
                 2 |        190        1.90        6.85
                 3 |        125        1.25        8.10
                 4 |        113        1.13        9.23
                 5 |         93        0.93       10.16
                 6 |         98        0.98       11.14
                 7 |         67        0.67       11.81
                 8 |        101        1.01       12.82
                 9 |         85        0.85       13.67
                10 |         98        0.98       14.65
                11 |         93        0.93       15.58
                12 |         82        0.82       16.40
                13 |         84        0.84       17.24
                14 |        111        1.11       18.35
                15 |         97        0.97       19.32
                16 |        137        1.37       20.69
                17 |        132        1.32       22.01
                18 |        154        1.54       23.55
                19 |        185        1.85       25.40
                20 |        198        1.98       27.38
                21 |        166        1.66       29.04
                22 |        190        1.90       30.94
                23 |        176        1.76       32.70
                24 |        194        1.94       34.64
                25 |        183        1.83       36.47
                26 |        152        1.52       37.99
                27 |        181        1.81       39.80
                28 |        131        1.31       41.11
                29 |        160        1.60       42.71
                30 |        185        1.85       44.56
                31 |        163        1.63       46.19
                32 |        133        1.33       47.52
                33 |        137        1.37       48.89
                34 |        149        1.49       50.38
                35 |        132        1.32       51.70
                36 |        113        1.13       52.83
                37 |        129        1.29       54.12
                38 |        130        1.30       55.42
                39 |        146        1.46       56.88
                40 |        127        1.27       58.15
                41 |        127        1.27       59.42
                42 |        130        1.30       60.72
                43 |        110        1.10       61.82
                44 |        124        1.24       63.06
                45 |        121        1.21       64.27
                46 |        126        1.26       65.53
                47 |        123        1.23       66.76
                48 |        132        1.32       68.08
                49 |        128        1.28       69.36
                50 |        150        1.50       70.86
                51 |        130        1.30       72.16
                52 |        126        1.26       73.42
                53 |        121        1.21       74.63
                54 |        111        1.11       75.74
                55 |        116        1.16       76.90
                56 |        106        1.06       77.96
                57 |         88        0.88       78.84
                58 |         93        0.93       79.77
                59 |         75        0.75       80.52
                60 |        107        1.07       81.59
                61 |         91        0.91       82.50
                62 |         81        0.81       83.31
                63 |         66        0.66       83.97
                64 |         78        0.78       84.75
                65 |         66        0.66       85.41
                66 |         63        0.63       86.04
                67 |         78        0.78       86.82
                68 |         86        0.86       87.68
                69 |         42        0.42       88.10
                70 |         62        0.62       88.72
                71 |         69        0.69       89.41
                72 |         68        0.68       90.09
                73 |         64        0.64       90.73
                74 |         54        0.54       91.27
                75 |         62        0.62       91.89
                76 |         47        0.47       92.36
                77 |         58        0.58       92.94
                78 |         61        0.61       93.55
                79 |         67        0.67       94.22
                80 |         48        0.48       94.70
                81 |         58        0.58       95.28
                82 |         51        0.51       95.79
                83 |         56        0.56       96.35
                84 |         59        0.59       96.94
                85 |         34        0.34       97.28
                86 |         46        0.46       97.74
                87 |         43        0.43       98.17
                88 |         41        0.41       98.58
                89 |         25        0.25       98.83
                90 |         28        0.28       99.11
                91 |         16        0.16       99.27
                92 |         20        0.20       99.47
                93 |         17        0.17       99.64
                94 |          7        0.07       99.71
                95 |          5        0.05       99.76
                96 |         11        0.11       99.87
                97 |          4        0.04       99.91
                98 |          5        0.05       99.96
                99 |          3        0.03       99.99
100 years and over |          1        0.01      100.00
-------------------+-----------------------------------
             Total |     10,000      100.00

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