k	${\bar{U}}_{n 1}$	${\bar{U}}_{n 2}$	${\bar{U}}_{n 3}$	${\bar{U}}_{n 4}$	${\bar{U}}_{n 5}$
10,000	0.7801	0.7824	0.7823	0.7843	0.7782
20,000	0.7807	0.7798	0.7830	0.7819	0.7767
30,000	0.7789	0.7811	0.7855	0.7815	0.7791
40,000	0.7785	0.7824	0.7838	0.7806	0.7802
50,000	0.7780	0.7827	0.7836	0.7816	0.7700
60,000	0.7771	0.7825	0.7834	0.7821	0.7802