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

Portfolio	RP		P		P
X	12.5	%	38	%	1.45
Y	11.5		33		1.15
Z	9.4		23		0.80
Market	11.9		28		1.00
Risk-free	6.2		0		0

Assume that the correlation of returns on Portfolio Y to returns on the market is 0.89. What is the percentage of Portfolio Ys return that is driven by the market? (Round your answer to 4 decimal places.)

Information Ratio _____