You find the following corporate bond quotes. To calculate the number of years until maturity, assume that it is currently January 15, 2019. The bonds have a par value of $2,000 and semiannual coupons.

Company (Ticker)	Coupon	Maturity	Last Price	Last Yield	EST $ Vol (000s)
Xenon, Inc. (XIC)	6.800	Jan 15, 2037	94.323	??	57,376
Kenny Corp. (KCC)	7.260	Jan 15, 2034	??	6.30	48,955
Williams Co. (WICO)	??	Jan 15, 2040	96.875	6.55	43,816

What is the coupon rate for the Williams Co. bond? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)