Statewide turnout for the 2012 primaries was a pathetic 18.9 percent.According to the secretary of state's website, just 199,797 of the 1,058,808 active voters in the state went to the polls Tuesday.The percentage was dragged down dramatically by a 16.2 percent turnout in Clark County, where 72 percent of Nevada residents live.Scott Gilles, elections deputy for the secretary of state's office, said that there just weren't races statewide that drew voters to the polls."What I've seen in past elections is that races really drive turnout," he said.He compared this year's numbers and those from two years ago when the GOP …