You are given the following information concerning three portfolios, the market portfolio, and the risk-free asset:

Portfolio	Rp		p		p
X	16.0	%	32	%	1.90
Y	15.0		27		1.25
Z	7.3		17		.75
Market	11.3		22		1.00
Risk-free	5.8		0		0

Assume that the correlation of returns on Portfolio Y to returns on the market is .83. What percentage of Portfolio Ys return is driven by the market? (Enter your answer as a decimal not a percentage. Round your answer to 4 decimal places.)

R-Squared =