the bar chart illustrates the data of how many times fo telephone cells use in three different categories ( Local- landline, National and international- landline and Mobiles) during 10 years from 1995 to 2004 in UK. Measurement unites is minutes (millions).
it is clear that the number of minutes was the highest compared with the other two categories,the national and international- landlines became the second biggest uses for contacting. in contrast, the lowest category was mobiles.
Regarding to local lands, in 1995, the number of minutes started from the highest at approximately 12000 million minutes, then it is dramatically increased during the period between 1996 to 2001. despite the increase, it repeated back to same its starting values.
In addition, the figure of minutes of National and international- landline was increasing over the given years, as illustrated by the number gradually increasing from year to year 2500 million minutes until set at approximately 10200 million minutes.
Furthermore, the figure of minutes used by mobiles that used telephone cells began from 100 minutes and raised gradually to 9900 million minutes. In general, in the given period most people used local-landline.
