Frequencies for state variable in prds_hosp10_yr2012 dataset :

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        353        5.67        5.67
         01 |        119        1.91        7.58
         02 |         25        0.40        7.98
         03 |        101        1.62        9.60
         04 |         94        1.51       11.11
         05 |        394        6.33       17.44
         06 |         95        1.53       18.97
         07 |         43        0.69       19.66
         08 |         11        0.18       19.83
         09 |         13        0.21       20.04
         10 |        227        3.65       23.69
         11 |        178        2.86       26.55
         12 |         25        0.40       26.95
         13 |         47        0.75       27.70
         14 |        208        3.34       31.04
         15 |        157        2.52       33.56
         16 |        122        1.96       35.52
         17 |        154        2.47       38.00
         18 |        119        1.91       39.91
         19 |        209        3.36       43.26
         20 |         40        0.64       43.91
         21 |         59        0.95       44.85
         22 |        106        1.70       46.56
         23 |        163        2.62       49.17
         24 |        140        2.25       51.42
         25 |        107        1.72       53.14
         26 |        140        2.25       55.39
         27 |         62        1.00       56.38
         28 |         98        1.57       57.96
         29 |         47        0.75       58.71
         30 |         32        0.51       59.23
         31 |         98        1.57       60.80
         32 |         47        0.75       61.55
         33 |        215        3.45       65.01
         34 |        126        2.02       67.03
         35 |         47        0.75       67.79
         36 |        210        3.37       71.16
         37 |        146        2.34       73.50
         38 |         60        0.96       74.47
         39 |        222        3.57       78.03
         40 |         58        0.93       78.96
         41 |         15        0.24       79.20
         42 |         79        1.27       80.47
         43 |         62        1.00       81.47
         44 |        142        2.28       83.75
         45 |        515        8.27       92.02
         46 |         48        0.77       92.79
         47 |         15        0.24       93.03
         49 |        108        1.73       94.76
         50 |         98        1.57       96.34
         51 |         60        0.96       97.30
         52 |        139        2.23       99.53
         53 |         29        0.47      100.00
------------+-----------------------------------
      Total |      6,227      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018