The provided line graph compares the statistics about delivering posts by two different companies, such as FedEx and TNT, from 1920 to 2000.
Overall, it is evident that TNT’s service saw an upward trend over a period shown, while the number of parcels delivered by FedEx slightly changed despite some fluctuations.
In 1920, the number of parcels of TNT were around 5, 000 and rose slightly to reach about 7, 500 in 1940. After it has levelled off for 20 years, it started increasing noticeably until 1960 and reached 11, 000. The numbers remained relatively unchanged between 1960 and 1980, and unexpectedly soared dramatically in 1980 and surged by 15, 000 until 2, 000.
The figure for a FedEx showed 15, 000 in 1980 and it rose remarkably during 2 decades. However, this upward trend was suddenly broken and the number of mails plunged sharply over the next 10 years before it went smoothly from 1950 to 1960 at about 12, 000 parcels. Then, the FedEx services soared again, and from 1970 it maintained the same level till the end. 
The provided line graph compares the statistics about delivering posts by two  
different
  companies
, such as FedEx and TNT, from 1920 to 2000. 
Overall
, it is evident that TNT’s service  
saw
 an upward trend over a period shown, while the  
number
 of parcels delivered by FedEx  
slightly
  changed
 despite  
some
 fluctuations.
In 1920, the  
number
 of parcels of TNT were around 5, 000 and rose  
slightly
 to reach about 7, 500 in 1940. After it has levelled off for 20 years, it  
started
 increasing  
noticeably
 until 1960 and reached 11, 000. The  
numbers
 remained  
relatively
 unchanged between 1960 and 1980, and  
unexpectedly
 soared  
dramatically
 in 1980 and surged by 15, 000 until 2, 000.
The figure for a FedEx  
showed
 15, 000 in 1980 and it rose  
remarkably
 during 2 decades.  
However
, this upward trend was  
suddenly
 broken and the  
number
 of mails plunged  
sharply
 over the  
next
 10 years  
before
 it went  
smoothly
 from 1950 to 1960 at about 12, 000 parcels. Then, the FedEx services soared again, and from 1970 it maintained the same level till the  
end
.