The ports handled 39% of U.S. container imports in 2002; that fell to 32% by 2013, according to U.S. census data. They have lost business to competitors at a time when, overall, global trade is booming and imports are rising at all ports, including L.A. and Long Beach. . . The loss in market share represented an estimated 12,300 direct and indirect California jobs in 2013, and more than $112 million in state and local tax revenue, according to Martin's research.