Review Ietls writting task 1

The bar chart compares the total length of time measured in billion minutes of telephone calls in the UK among three different categories over the period shown.

Overall, it is evident that local-fixed line kept being the dominant proportion between 1999 and 2002, while national and international-fixed line and mobiles came in second and third but rapidly increased over an 8-year period.

In 1995, local-fixed line calls made up the largest proportion, at around 72 billion. Besides, fixed-line national and international calls were the second one, at nearly 40 billion, compared to just about 3% of mobile calls.

In 1999, total time of local-fixed line telephone calls reached a peak at 90 billion , before falling back to approximately 72 billion in 2002. National and international-fixed line calls and mobiles (all calls) kept increasing during 8 years, in 2002, they peaked at around 62 billion and 45 billion respectively. It is also noticeable that total minutes of mobile calls experienced the fastest growth among three types of call.