Frequencies for first 10,000 rows of los variable in nhamcsed2011 dataset :

Length of stay |
 (in hospital) |      Freq.     Percent        Cum.
---------------+-----------------------------------
         Blank |        101        1.01        1.01
Not Applicable |      8,582       85.82       86.83
             1 |         88        0.88       87.71
             2 |        232        2.32       90.03
             3 |        226        2.26       92.29
             4 |        199        1.99       94.28
             5 |        177        1.77       96.05
             6 |         94        0.94       96.99
             7 |         65        0.65       97.64
             8 |         46        0.46       98.10
             9 |         33        0.33       98.43
            10 |         29        0.29       98.72
            11 |         16        0.16       98.88
            12 |         16        0.16       99.04
            13 |         15        0.15       99.19
            14 |         11        0.11       99.30
            15 |         10        0.10       99.40
            16 |          3        0.03       99.43
            17 |          6        0.06       99.49
            18 |          5        0.05       99.54
            19 |          8        0.08       99.62
            20 |          4        0.04       99.66
            21 |          3        0.03       99.69
            22 |          4        0.04       99.73
            23 |          4        0.04       99.77
            24 |          3        0.03       99.80
            25 |          1        0.01       99.81
            26 |          2        0.02       99.83
            27 |          3        0.03       99.86
            29 |          1        0.01       99.87
            30 |          1        0.01       99.88
            31 |          2        0.02       99.90
            34 |          2        0.02       99.92
            36 |          1        0.01       99.93
            38 |          3        0.03       99.96
            45 |          1        0.01       99.97
            49 |          1        0.01       99.98
            94 |          1        0.01       99.99
            96 |          1        0.01      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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