1.   Instead, they pay basic long-distance rates, which are the highest rates a residential customer can pay, the study says.

2.   Poets seem to have the highest rates of mood disorders and suicide.

3.   The diurnal birds of prey and the mammalian predators consistently have the highest rates of mandibular and maxillary breakage.

4.   The highest rates of erosion occur where soil is exposed to drought.

5.   The less well off do receive transfer payments and the rich face the highest rates of income tax.

6.   The highest rates of unemployment occur in the inner urban areas.

7.   They show unusual patterns for several genes, including the highest rate of a rare blood type.

8.   The incidence of colorectal carnoma differs internationally, the highest rates being observed in the urbanised, affluent societies of the industrialised western world.

9.   The latest figures show that seventy-six companies per day are failing in Britain, the highest rate since the recession began more than two years ago.

10.   Rates have fallen in all regions but the biggest drops have been in regions with the highest rates.