per unit of population

Uist - North Uist, South Uist and Benbecula - has a rate of Lyme disease 40 times higher than mainland Scotland per unit of population, according to research from Glasgow and Liverpool universities.

The best way to measure progress against cancer is to look at mortality rates, the number of people who succumb to cancer per unit of population per year.

We do not convert those figures into terms of the number of offenses per unit of population for individual cities.