The bar graph provides data about the total number of minutes of interaction with phones in the UK consumed by three various fields from 1995 to 2002. The figures are given in billions.
It is noticeable that local phone calls was by far the most popular types of contact. The lowest minutes of communication with phone produced by mobile phones. The most dramatic change was observed in the figures for mobiles, the number of minutes was around 45 billion minutes.
Local kinds of interaction was responsible for 70 billion minutes in1995, however, the number of local phones escalated steadily to 90 in 1999. During the same 3 billion minutes came from mobiles calls, then it rose considerably to 13 billion minutes. National and international categories increased gradually to 50 in 1999 while the figures for national and international category was approximately 37 billion minutes in 1995.
In 2002, 60 billion minutes were consumed by national and international category, mobiles telephone calls increased significantly to 47 billion minutes. Local communication rose sharply to 73 billion minutes.
