Frequencies for first 10,000 rows of age variable in namcs2011 dataset :

   Patient age in |
            years |      Freq.     Percent        Cum.
------------------+-----------------------------------
   Under one year |        558        5.58        5.58
                1 |        347        3.47        9.05
                2 |        208        2.08       11.13
                3 |        170        1.70       12.83
                4 |        191        1.91       14.74
                5 |        155        1.55       16.29
                6 |        131        1.31       17.60
                7 |        119        1.19       18.79
                8 |        123        1.23       20.02
                9 |        119        1.19       21.21
               10 |        122        1.22       22.43
               11 |        131        1.31       23.74
               12 |        121        1.21       24.95
               13 |        123        1.23       26.18
               14 |        102        1.02       27.20
               15 |        110        1.10       28.30
               16 |        126        1.26       29.56
               17 |        103        1.03       30.59
               18 |         69        0.69       31.28
               19 |         66        0.66       31.94
               20 |         76        0.76       32.70
               21 |         77        0.77       33.47
               22 |         71        0.71       34.18
               23 |         56        0.56       34.74
               24 |         68        0.68       35.42
               25 |         58        0.58       36.00
               26 |         71        0.71       36.71
               27 |         66        0.66       37.37
               28 |         58        0.58       37.95
               29 |         60        0.60       38.55
               30 |         76        0.76       39.31
               31 |         73        0.73       40.04
               32 |         87        0.87       40.91
               33 |         84        0.84       41.75
               34 |         76        0.76       42.51
               35 |         86        0.86       43.37
               36 |         94        0.94       44.31
               37 |         75        0.75       45.06
               38 |         99        0.99       46.05
               39 |         94        0.94       46.99
               40 |        117        1.17       48.16
               41 |        133        1.33       49.49
               42 |         99        0.99       50.48
               43 |        109        1.09       51.57
               44 |        109        1.09       52.66
               45 |        112        1.12       53.78
               46 |        128        1.28       55.06
               47 |        124        1.24       56.30
               48 |        136        1.36       57.66
               49 |        128        1.28       58.94
               50 |        126        1.26       60.20
               51 |        157        1.57       61.77
               52 |        152        1.52       63.29
               53 |        148        1.48       64.77
               54 |        132        1.32       66.09
               55 |        134        1.34       67.43
               56 |        149        1.49       68.92
               57 |        133        1.33       70.25
               58 |        140        1.40       71.65
               59 |        128        1.28       72.93
               60 |        130        1.30       74.23
               61 |        130        1.30       75.53
               62 |        125        1.25       76.78
               63 |        135        1.35       78.13
               64 |        132        1.32       79.45
               65 |        126        1.26       80.71
               66 |        117        1.17       81.88
               67 |        108        1.08       82.96
               68 |        111        1.11       84.07
               69 |        114        1.14       85.21
               70 |         90        0.90       86.11
               71 |        116        1.16       87.27
               72 |         89        0.89       88.16
               73 |         95        0.95       89.11
               74 |         93        0.93       90.04
               75 |         89        0.89       90.93
               76 |         69        0.69       91.62
               77 |         90        0.90       92.52
               78 |         78        0.78       93.30
               79 |         83        0.83       94.13
               80 |         74        0.74       94.87
               81 |         63        0.63       95.50
               82 |         56        0.56       96.06
               83 |         66        0.66       96.72
               84 |         50        0.50       97.22
               85 |         37        0.37       97.59
               86 |         47        0.47       98.06
               87 |         40        0.40       98.46
               88 |         25        0.25       98.71
               89 |         32        0.32       99.03
               90 |         27        0.27       99.30
               91 |         25        0.25       99.55
92 years and over |         45        0.45      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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