Table 4:

Frontier R-U tradeoff improvement rate of the SHS over k-anonymization (IR) for the Adult dataset with ZIP codes simulated based on U.S. census data

State	IR
	k = 5	k = 10
HI	0.054	0.050
IL	0.035	0.018
MA	0.058	0.062
MN	0.020	0.049
NY	0.034	0.034
OH	−0.003	0.005
PA	0.018	0.019
TN	0.018	0.050
WA	0.040	0.060
WI	0.026	0.050
Average	0.030	0.040
St. Dev.	0.017	0.019