R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value R-squared value