1.  The need for the adequate provision of permanent residential homes increases substantially as the mentally handicapped child grows up.

2.  The number of laws on the statute book increases cumulatively since governments repeal relatively few laws.

3.  The population increased dramatically in the first half of the century.

4.  The scope for successful gardening increases dramatically with a greenhouse.

5.  Utilization rates for both these services increase significantly with the age of older people.

6.  The degree of overlap increases away from the equator.

7.  Production increased tenfold in the period leading up to the second world war.

8.  The biliary bicarbonate concentration increased significantly in all doses examined but not in a dose-dependent fashion.

9.  The mean age increased together with the severity of the oesophageal injury.