As new topics were added, the period first increased to 24 weeks and then to 28 weeks.

The waiting period for a ride has increased from several days to as long as 10.

It has been reported that the period is now increasing.

The period increased fairly steadily by around 4 seconds per year until 1963.

Same period from 2005 to 2008 annual coal use increased 3,341 TWh.

Amongst never married women the period increased only slightly from 18 months in 1979 to 19 months in 1987.

He also reported that a pendulum's period increases if the amplitude of its swing is increased to 40 degrees.

Extended periods of time in bed also increase the risk of blood clots.

Also, a warmer period in the past would have increased the amount of water sublimating from the ground.

It is, however, understood that longer periods in space increase the risk of serious problems.