Then the general activity decreases during the next forty years, only to begin growing again.

The assumption is that speculative activity will decrease over time and the value of the assets increase.

He was returned in 1951, but his parliamentary activity steadily decreased.

However, such activity decreased as the distance from the injection point increased.

Since then, the activity has decreased and now the lights are observed some 10 - 20 times per year.

As of January 8, 2009, the seismic activity has markedly decreased.

I note that military activity has decreased in the past few days.

By July 2003 this activity had again decreased to around three times per day.

They argue that the sun's activity has been decreasing since 1985 while global temperatures have continued to rise.

However, the activity decreased and returned to 2006 status, with only 2 to 1 regular contributors for the last two years.