Consider the following table for a seven-year period:

		Returns
Year	U.S. Treasury Bills			Inflation
1		3.45	%	1.15	%
2		3.30		2.29
3		4.20		1.19
4		4.62		0.61
5		2.42		6.43
6		1.30		9.35
7		1.03		1.30

What was the average real return for Treasury bills for this time period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)