21.   Such scenes remain isolated, but the gypsy moth caterpillar population has steadily increased over the last three years.

22.   That population has only increased since then.

23.   The Alpine economy is healthy, tourism is good, the population is increasing at a manageable rate.

24.   The Asian population also increased, but at a slower rate than it did countywide.

25.   The big losers are Pennsylvania and New York, which will each lose two representatives, even though their populations increased slightly.

26.   The Jewish population is also increasing in Vermont.

27.   The Hispanic population is increasing faster in the South than in the rest of the country, according to a report released today by the U.S. Census Bureau.

28.   Today, the gray whale population has increased so much, the migration season has extended into April, according to Galbraith.

29.   With little to fear from predators and hunting prohibited in most localities, the resident population gradually increased and then exploded.

30.   With rain and flooding, the mosquito population increases because the insects have many suitable breeding sites.