Consider the following table for a seven-year period:

		Returns
Year	U.S. Treasury Bills			Inflation
1		3.60	%	1.18	%
2		3.45		2.32
3		4.35		1.22
4		4.77		0.64
5		2.57		6.46
6		1.45		9.38
7		1.18		1.33

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.)