It handles about one-fifth of the world's total container transhipment throughput. In 2009, PSA Singapore Terminals handled 25.14 million twenty-foot equivalent units (TEUS) of containers. PSA operates 4 container terminals, a multi-purpose terminal and a vehicle transhipment terminal in Singapore, and links shippers to an excellent network of 200 shipping lines with connections to 600 ports in 123 countries.