Sales more than tripled that year and doubled again in 1936. The price of wheat tripled and acreage seeded doubled. Indian population has tripled, and food-grain production more than quadrupled. This population nearly tripled until 2003 and spread in the whole creek. In the next decade, the population tripled. During this time, St. Catharines nearly tripled in population. Manteca has more than tripled in population since 1980. By 1841, the population nearly tripled to 1,680. Ten years later it had tripled to almost 320,000. Between 1999 and 2009, return on capital nearly tripled to 7%. Internet traffic roughly tripled between 2007 and 2009. Cargo traffic has tripled over the past two decades. From 1810 to 1830 its population nearly tripled, from 9,642 to 24,831. Employment had more than tripled in one year to 500 employees. Overall sales more than tripled to 18,345.