The state ports at Wilmington and morehead city posted the largest percentage gains in exports and imports of the nation's 20 largest container ports.

• Position: Eastern

U.S. exports Market share Rank Change in volume * North Carolina 0.8% 18 47.2% Seattle 4.5 8 37.9 New Orleans 1.6 14 30.3 Delaware River ports 1.3 16 19.8 Oakland 6.9 6 18.1 Top 20 97.8 4.8 U.S. imports Market share Rank Change in volume * North Carolina 0.7% 16 26.3% Seattle 4.8 5 25.6 Jacksonville, Fla. 1.2 15 11.0 Baltimore 1.6 13 2.1 Miami 2.0 12 1.1...