The total number of minutes (in billions) of three types of telephone calls for the 7-year period in UK has illustrated with the bar graph.
Overall, the number of minutes of all mobile calls speedily increased while local-fixed line calls fluctuated and national and international fixed line class raised slightly during the given time.
Starting from the year 1995 with 70 billion minutes, through a gradual increase local-fixed line call hitted its peak at 90 billion minutes. Then it decreased continuously and by 2002 reached at the same value of its beginning point.
A slight upsurge was observed for the national and international-fixed line call where the total number of minutes changed from around above 35 to 60 billion minutes within time limit of 7 years.
To begin with above zero minutes, sum of minutes of mobile calls increased rapidly just above zero to around 45 billion minutes in 7 years.
The total number of minutes (in
billions)
of three types of telephone
calls
for the 7-year period in UK has illustrated with the bar graph.
Overall
, the number of minutes of all mobile
calls
speedily
increased while local-
fixed
line
calls
fluctuated and national and international
fixed
line
class
raised
slightly
during the
given
time.
Starting from the year 1995 with 70
billion
minutes, through a gradual increase local-
fixed
line
call
hitted
its peak at 90
billion
minutes. Then it decreased
continuously
and by 2002 reached at the same value of its beginning point.
A slight upsurge
was observed
for the national and international-
fixed
line
call
where the total number of minutes
changed
from around above 35 to 60
billion
minutes within time limit of 7 years.
To
begin
with above zero minutes, sum of minutes of mobile
calls
increased
rapidly
just
above zero to around 45
billion
minutes in 7 years.