You are given the following information concerning three portfolios, the market portfolio, and the risk-free asset PortfolioRP 13.5% 12.5 7.1 Market 10.6 35% 30 20 25 1.55 1.20 0.80 1.00 Risk-free 4.4 of returns on Portfolio Y to returns on the market is 0.70. What is the percentage of Portfo is driven by the market? (Round your answer to 4 decimal places.) R-squared