Frequencies for first 10,000 rows of tchncl_prsnel_wvr_sw variable in pos1991 dataset : compliance: | technical | personnel | Freq. Percent Cum. ------------+----------------------------------- | 9,998 99.98 99.98 1 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017