By Adam Wilmoth Energy Editor awilmoth@oklahoman.comThe evolving energy industry contributed to swings in economic growth in metropolitan areas throughout Oklahoma and the country, according to data released this week by the federal Bureau of Economic Analysis. With a drop of 7.8 percent, the Enid area marked the biggest decline in gross domestic product in 2017 among the country's 383 metropolitan areas, the report stated.Read more on NewsOK.com