The given bar graph illustrates how much the telephone calls used in Finland over a period of 9 years between 1995 and 2004. Unites are measured in millions of minutes.
Overall, it can clearly be seen that two types with lowest amounts of telephone calls used at the start rose, whereas another one fluctuated throughout the given period. As a result, even though the local-landline remained the highest telephone calls used over the years, the gap among three types were smaller at the final year of 2004.
In terms of type with highest level of telephone calls at the start, the usage of local-landline stood at in precisely 12000. In the following six years, the amount increased gradually to about 17000. From this point onwards, it experienced a moderate fell and then went back to its original level by exactly 500 in 2004.
Regarding the other two categories of telephone calls used with lowest levels, the national and international – landline and mobile started at approximately 6000 and 200, respectively. The usage of national and international – landline saw a slight growth at just above 10000 in 2004. Similarly, the usage of mobile skyrocketed drastically and reach a peak of nearly 10000 in the same year.