Summary statistics for i1h_c1_32 variable in hosp_rollup2552_96_2008 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   i1h_c1_32 |          1        1990           .       1990       1990

by Jean Roth , jroth@nber.org , 21 Apr 2018