The Vietnamese population has jumped from 5,000 to 40,000 since 1980.

Within a year, the town's population jumped to 1,419 and by 1942, the town reached its peak population-3,853.

Between 1970 and 1990, the district's population jumped 73.2 percent, from 73,300 to 126,956.

The town's population remained steady at 20 throughout the 1960s and even jumped to 49 in 1969.

The population then jumped to 6,973 in the year 2000 census.

Its population jumped from 166,808 in 1980 to an estimated 478,900 this year.

By the late 1850s, the population jumped to about seven to ten thousand people.

In the last eight years the population has jumped by 10,000 to the present 70,000.

Trinidad's population jumped to over 15,000 by the end of 1789, from just under 1,400 in 1777.

In the period, the island's population jumped by 24,400 to 130,400, and 5,200 of the increase were immigrants.