Bar Chart Comparison

The bar chart illustrates three different types of calls and their times the time of each one between 1995 - 2002, a period of 7 years.

Overall, the time of Local calls times had a steady (better word might be continual) fluctuation over the sampled period, whereas the time of National, and International and Mobile calls times increased.

In 1995, the most time in calls in for the UK was in Local fixed-line, being over 70 billions of minutes a year. This was far higher than the Mobiles, which had less than 5 billion minutes a year. In spite of the increase of 90 billion minutes in 1999, the time of Mobile calls gradually declined, which finished at the same level that it began: 70 billion minutes.

In contrast to this, the time of the other two categories increase gradually increased. Local calls had a moderate rise which began below 40 billion minutes in at 1995 and finished in 2002 with a little over than 60 billion minutes. By the On other hand, the time of Mobile calls increase considerably: began starting below 5 billion minutes in 1995 and finished finishing with 50 billion minutes in 2002.