Charleston, SC – Container shipping volume through the Port of Charleston increased nearly 12 percent in the first three quarters of the fiscal year, and the state’s breakbulk tonnage increased 48 percent, even as the pace of volume gains has slowed. In the July to March period, container traffic increased 11.6 percent to 1,033,062 20-foot equivalent units (TEUs), up from 925,837 TEUs in the same period last year. March volume alone was 120,265 TEUs, up 5.7 percent from March 2010.