Josh purchased 100 shares of XOM for $76.63 per share at the beginning of 2007. He received dividends per share of $1.37 (2007), $1.55 (2008), $1.66 (2009), $1.74 (2010), $1.85 (2011). At the end of 2011, just after receiving the last dividend, he sold the stock for $84.76. At what average annual rate did the price of the stock increase over the 5 year period?