An executive at an ethanol plant is using data to prepare a presentation on ethanol production and plants in operation. Which detail best supports the claim that more than 136 ethanol plants were in operation in 2008? According to the map, 89 ethanol plants were under construction in 2007. According to the map, over 300 plants were planned as of September 28, 2007. According to the bar graph, the annual use of corn more than doubled between September 2007 and the end of 2008. According to the bar graph, annual production of ethanol increased by more than 33 percent between September 2007 and the end of 2008.