Frequencies for first 10,000 rows of poolnurs variable in nhamcsed2015 dataset 

  Does your |
ED use pool |
    nurses? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |         57        0.57        0.57
    Unknown |        608        6.08        6.65
        Yes |      5,463       54.63       61.28
         No |      3,872       38.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017