Frequencies for first 10,000 rows of place variable in nhamcsed1993 dataset :

      place of occurrence of injury |      Freq.     Percent        Cum.
------------------------------------+-----------------------------------
                               Home |      1,311       13.11       13.11
                               Work |        421        4.21       17.32
                    School/Day Care |        109        1.09       18.41
                     Street/Highway |        664        6.64       25.05
                        Other place |        417        4.17       29.22
Injury indicated, place unspecified |        912        9.12       38.34
                   Blank or invalid |      6,166       61.66      100.00
------------------------------------+-----------------------------------
                              Total |     10,000      100.00

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