Frequencies for state variable in prds_hosp10_yr2010 dataset :

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         67        2.88        2.88
         01 |         37        1.59        4.48
         02 |          9        0.39        4.86
         03 |         33        1.42        6.28
         04 |         38        1.64        7.92
         05 |        190        8.18       16.10
         06 |         23        0.99       17.09
         07 |          5        0.22       17.31
         08 |          7        0.30       17.61
         09 |          6        0.26       17.86
         10 |         75        3.23       21.09
         11 |         81        3.49       24.58
         12 |         22        0.95       25.53
         13 |          9        0.39       25.91
         14 |        100        4.30       30.22
         15 |         55        2.37       32.59
         16 |         96        4.13       36.72
         17 |         29        1.25       37.97
         18 |         57        2.45       40.42
         19 |         74        3.19       43.61
         20 |         19        0.82       44.43
         21 |         51        2.20       46.62
         22 |         18        0.77       47.40
         23 |         71        3.06       50.45
         24 |         37        1.59       52.04
         25 |         17        0.73       52.78
         26 |         58        2.50       55.27
         27 |         39        1.68       56.95
         28 |         61        2.63       59.58
         29 |         21        0.90       60.48
         30 |          7        0.30       60.78
         31 |         12        0.52       61.30
         32 |         21        0.90       62.20
         33 |         14        0.60       62.81
         34 |         26        1.12       63.93
         35 |         27        1.16       65.09
         36 |         46        1.98       67.07
         37 |         73        3.14       70.21
         38 |         25        1.08       71.29
         39 |        194        8.35       79.64
         40 |         18        0.77       80.41
         41 |          1        0.04       80.46
         42 |         15        0.65       81.10
         43 |         38        1.64       82.74
         44 |         79        3.40       86.14
         45 |        170        7.32       93.46
         46 |         15        0.65       94.10
         49 |         39        1.68       95.78
         50 |         20        0.86       96.64
         51 |         18        0.77       97.42
         52 |         41        1.76       99.18
         53 |         19        0.82      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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