The town's industrial economy has increased at a 40% rate.

Between 1993 and 2000, visits increased at a rate of 3% per year, on average.

Since 1990, it has increased at a rate of 10 percent a year.

Since the 1970s, development has increased at a rapid rate.

And it tends to increase at a rate up to 250% per year.

The local population is increasing at a rate of 3.4% per year.

The population is increasing at a rate of more than 5 percent per year.

The world population reached 7 billion in October 2011, and is increasing at a rate of 78 million per year.

Significantly, the number of women in higher education has increased at a much faster rate.

You just can't increase spending at a rate of 14 percent a year.