_dta:
  1.  by Jean Roth , jroth@nber.org , 1 Dec 2015

  obs:         6,237                          
 vars:             5                          1 Dec 2015 08:46
 size:        49,896                          (_dta has notes)
---------------------------------------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
---------------------------------------------------------------------------------------------------------------
state           byte    %8.0g                 state number
st_case         long    %12.0g                consecutive number
veh_no          byte    %8.0g                 vehicle number
per_no          byte    %8.0g                 person number
msafeqmt        byte    %8.0g                 non-motorist safety equipment use
---------------------------------------------------------------------------------------------------------------
Sorted by: st_case  veh_no  per_no  msafeqmt