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 chart illustrates the time of telephone calls made in the UK between 1995 and 2002, divided into three distinguish categories, namely, the local calls with fixed line, national and international calls with fixed line, and calls from mobile which is all type of calls.
Generally, the amount of time of calls made by mobile have a tendency to increase dramatically whereas the figure of local calls fluctuated during the seven years period.
Specifically, the number of minutes of calls made by mobile grew from approximately 3 billions to 10 billions before increasing significantly to over 40 billion in the preceeded four years. The trend of the figure of national and international calls also experienced a gradual rise by about 20 billions minutes, whereas, that amount of time of local calls was just over 70 billions in 1995, reached a peak at approximately 91 billions in 1999, and dropped to around 70 billions again in 2002.
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