Because some types of seaport service charges in Vietnam are lower than regional ones, especially container loading and unloading fees, this amount falls into the pockets of foreign shipping lines, which account for 99% of the volume. container import and export of Vietnam.
Compared with the estimated trade surplus of 3.5 billion USD given by the General Statistics Office, the realized figure was only 2.96 billion USD because exports were lower than expected, while imports increased sharply.