The given bar graph portrays the total amount of minutes of telephone calls in the UK between 1995 and 2002, which is categorized into three different types, local, national and international and, Mobiles. Units are measured in billions.
Overall, the most noticeable trends are that there were ever-escalating growth of the terms of ‘Mobiles’ and, ‘National and International’ telephone calls, and other parts had both increases and decreases.
On the one hand, with regards to the amount of national and International telephone calls, in 1995, it accounted for around 38 billions minutes, after which it encountered a moderate surge to well over 3 billions. Next it marginally went up by a few percentage in each year. Likewise, as far as the contribution of Mobiles are concerned, in the first year, it ranked the lowest position among all the segments at nearly 3 billions. After that, it slowly raised up to 10 billions within five years. Subsequent to that, in 2002, there were more than 14 times soar (almost 42 billions) in the mobiles category.
On the contrary, at the beginning of the time-frame, a well above 90 billions increase was reported when it comes to local telephone line before falling dramatically to nearly 68 billions.