Travelers in Iowa spent more money in the state in 2013. Thatís according to the 2013 Iowa Welcome Center Survey Report conducted by the Iowa Economic Development Authorityís Iowa Tourism Office. Travel party spending per day on lodging, entertainment, transportation, food and shopping increased 8.5 percent from $263.20 in 2012 to $285.47 in 2013. The survey also showed an increase in the number of trips in Iowa. On average visitors took 3.4 trips in the state in 2013 compared to 2.9 trips in 2012. The most popular destinations were historical attractions, museums, scenic byways, outdoor recreation and shopping. Tourism in Iowa generates more than $7.6 billion in expenditures, employs 64,400 people statewide and generates $328 million in state taxes, according to the Iowa Tourism Office.