Trucking continues to be the dominant mode of freight transportation in the United States. In 2012 trucks moved 9.4 billion tons of freight which is equivalent to 68.5 percent of all domestic shipments. The trucking industry has an optimistic future ahead; a combination of low inflation, a growing housing market, a recovering stock market, and moderate gasoline prices has helped the industry expand 10.3 percent from 2009, and it only continues to look increasingly positive. In April 2013 alone, the industry growth reached 1.2 percent.