Used-vehicle sales for National Auto Auction Association member auctions totaled 8.7 million units in 2014, a sum worth $81.8 billion.

The results, which came from the association’s 18th annual survey, also found the number of vehicles that entered its member auctions rose by 3.6 percent to 15.7 million units, and the number of units sold increased by 6.2 percent.

“The 2014 results are encouraging,” said Frank Hackett, NAAA’s chief executive officer. “The survey results show the strength and depth of a mature industry that has demonstrated its resiliency. I’m confident we’ll continue to be a vital and growing part of our nation’s economy in the decades to come.”

The survey was conducted by CliftonLarsonAllen LLP of Arlington, Va., on behalf of the NAAA, with an 80-percent response rate representing 262 of the NAAA’s 329 member auctions.

Dealer consignment vehicles accounted for 58.2 percent of the units sold, while finance and fleet (lease, fleet and repo) made up 35.3 percent followed by manufacturers (factory) vehicles (5.8 percent) and other sources (0.7 percent).

The NAAA’s average member auction operates an eight-lane facility on a 78-acre space and employs 137 people with a payroll of $3.8 million. Each contributes, on average, $8,000 annually to charity.

For more information about the NAAA and its members, visit the association’s website.