You purchased stock A at the beginning of 2016. During 2016 stock A had a return of 29.3%. During 2017 stock A had a return of 35.3%. During 2018 stock A had a return of 4.3%. During 2019 stock A had a return of 14.3%. During 2020 stock A had a return of -5.1%. At the end of 2020 you sold the stock. 

What was the effective annual rate of return on the stock over the time that you owned the stock? Your answer should be shown as a percentage and it should be accurate to two decimal places.