The bar graph illustrates the calling time of 3 telephone types from the year of1995 to 2002 in the UK.
Over all, the local-fixed line had the most number of telephone calls in comparison with the remains. The national and international-fixed line growed their calling time over the eight-year period. The minute number of mobile calls had a potential growth from 1999 to 2002.
In 1995, the number of minutes of phone callsin the UK was more than 70 billions. This number uplifted considerably in the next four years . It reached nearly 90 billions in 1998 then reached a peakat 90 billions in 1999. Nevertheless, from 1999 to 2002, it dropped and had only more than 70 billions minutes of phone calls
The number of minutes of national and interational-fixed line went up every year between 1995 and 2002. From 36 billions minutes in 1995, gradually, it reached 60 billions in 2001. Then it slowly growed and reached more than 60 billions in 2002. Besides, the minutes number of mobile calls growed moderately in 1995 to 1999. It started to go up dramatically from 1999 and reached 45 billions minutes in 2002.