Frequencies for first 10,000 rows of nrs_adminv_cntrct_cnt variable in pos2005 dataset : nurses with | admin | duties-cont | ract | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,983 99.83 99.83 .06 | 1 0.01 99.84 .11 | 3 0.03 99.87 .23 | 2 0.02 99.89 .34 | 4 0.04 99.93 .46 | 1 0.01 99.94 .83 | 1 0.01 99.95 1.06 | 1 0.01 99.96 1.14 | 2 0.02 99.98 1.71 | 1 0.01 99.99 3.1 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017