Japan's real GDP was 520,081 billion yen in 2016 and 530,112 billion yen in 2017. The population was 127.0 million in 2016 and 126.7 million in 2017. Calculate Japan's economic growth rate in 2017, the growth rate of real GDP per person in 2017, and the approximate number of years it will take for real GDP per person in Japan to double if the 2017 economic growth and population growth rates are maintained..