Here are the top 25 U.S. states where people spend the most per year on RV sales and RV service per capita: Alaska: $39 per year per capita. Oregon: $39 per year per capita. ... Total RV Shipments in the United States Over Time (1981-2021) YearRV Shipments 2017504,599 2018483,672 2019406,070 2020423,628 37 more rows