The chart below shows the total number of minutes (in billions) of telephone calls in the UK, divided into three categories, from 1995-2002.Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The given bar graph depicts the annual number of time of telephone calls in the UK and in three separate categories between 1995 and 2002.

Firstly, we are witnessing a peak at approximately 90 billion minutes in local calls in 1999. However, it decreased moderately afterwards, and in 2002, it reached to 70 billion minutes.

Secondly, there was a steadily growth in the national and international calls. We are observing a raise of 20 billion minutes during the aforementioned period.

Additionally, the mobiles calls grew exponentially from 1995 to 2002.Although the total value was under 5 billion in the first, it increased to more than 40 billion minutes in 2002.

To sum up with all, different types of communication were used in UK, which each of them had variations in the usage during the time of the study. In one hand, local calls are not popular as the time before 1999. On the other hand, mobiles were becoming conventional methods of calling. And finally, it seems that the total value of all three categories of calling would merge in the future.
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