The chart below shows the total number of minutes (in billion) of telephone calls in the UK, divided into three categories, from 1995-2002.

The chart illustrates the quantity of time spent on telephone calls in the UK between 1995 and 2002, through three distinct categories of calls. Units are in billions of minutes. What stands out most from the data is the dominance of calls made by local-fixed lines throughout the period examined. It can be seen that local-fixed line figures experience a steady progression peaking at 90 in 1999;

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peak , numbers slightly fall up to 2002. Turning to the other two categories, with regard to the time-span between 1995 and 2001, it is evident that

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both follow an upward trend, mobile phones calls experience a sudden spike in a single year, 2030, National and international- fixed line calls exhibit a steady and consistent growth;

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, mobile phones figures slightly decline in the time-span between 2001 and 2002, dropping to almost 40 ,

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national and international fixed-line calls remain stable at approximately 60 during the same period.