Port of Shanghai
Container traffic through a port is often tracked in terms of twenty foot equivalent units or TEU of throughput. , the Port of Shanghai was the world's busiest container port, with 43,303,000 TEU handled. That year, seven of the busiest ten container ports were in the People's Republic of China, with Shanghai in 1st place, Ningbo 3rd, Shenzhen 4th, Guangzhou 5th, Qingdao 7th, Hong Kong 8th and Tianjin 9th. Rounding out the top ten ports were Busan in South Korea at 6th and Rotterdam in the Netherlands in the 10th position. In total, the busiest twenty container ports handled 220,905,805 TEU in 2009, almost half of the world's total estimated container traffic that year of 465,597,537 TEU.