The bar graph shows that life expectancy, the number of years newborns are expected to live, in a particular region has increased dramatically since ancient times. Find the percent increase in average life expectancy of the region from the Stone Age to 2016. % (Round to the nearest integer as needed.) Average Life Expectancy (years) 80- 70- 60- 67 59 48 50- 40- 29 30 32 30- 25 20- 10- Stone Ancient Middle 1900 1950 Age Greece Ages 1980 2016 Time Period/Year