The chart below shows the total number of minutes (in billions)of telephone calls in the UK, divided into three categories, from 1995-2002.

The bar plot depicts the total number of minutes (in billions) of telephone calls annually in the UK, divided into three categories: local, national and international, and mobiles across 7 years from 1995 to 2002. Overall, the local call time is higher than all other call types regardless of the year. Moreover, while there is […]