The population is decreasing by 10 percent annually because of water shortage.

Between 1990 and 1997, it decreased at a rate of 1.7 percent annually.

That is, the tariff level available for new generators will decrease annually.

The city, Mr. Koch said, would make available a 15-year tax abatement on newly constructed office space, which would decrease annually after occupancy.

During 1997-2001, the incidence decreased to a median of 12 cases annually, with no reported deaths.

In fact, information gathered from fish vendors in Cagayan showed that the volume of ludong catch has been tremendously decreasing annually.

However, this decreases by 1.1 gigatons annually due to deforestation.

There are very few people who speak Jèrriais as a mother tongue and, owing to the age of the remaining speakers, their numbers decrease annually.

In 1925 the book sold 9,473 copies, and thereafter for three years the sales decreased annually.

Enrollment has been decreasing by about 100 students annually since 2005.