The given data depicts the estimated call rates in Great Britain between 1995 and 2002. The highest rate of communication calls during this seven-year period was attributed to local fixed-line calls, while mobile calls recorded the lowest minutes of usage in the UK.
Overall,while national and overseas calls, as well as mobile calls, witnessed a gradual increase. More specifically, national and overseas calls rose from approximately 30 billion minutes in 1995 to 45 billion minutes in 2002. Similarly, mobile calls increased from around 5 billion minutes in 1995 to nearly 60 billion minutes by the end of the period in 2002.
Interestingly, the highest UK call volume for local fixed lines was recorded in 1999, amounting to 90 billion minutes. Although local fixed-line calls maintained the highest usage throughout the time period, they experienced a slight decline to 86 billion minutes in 2002, which equaled the starting rate in 1995 at approximately 73 billion minutes.
