Dale's real GDP was 17,284 billion pesos in 2020 and 17,789 billion pesos in 2021. Dale's population growth rate in 2021 was 1.5 percent. a) Dale's economic growth rate in 2021 was percent (answer to 1 decimal place). The growth rate of real GDP per person in Dale in 2021 was percent (answer to 1 decimal place). It will take years for real GDP per person in Dale to double. b) When Dale's population growth rate changes from 1.5 percent to 0.4 percent a year, real GDP per person doubles in years.