The given bar chart illustrates 
that 
the proportion of Correct word choice
apply
what 
transportation Correct pronoun usage
apply
was 
utilized for Unnecessary verb
apply
traveling
 in a European city in 1960, 1980 and 2000. In brief, using Change the spelling
travelling
Use synonyms
car
 in 2000 was the highest position, Add an article
the car
a car
whereas
 Linking Words
percentage
 of Add an article
the percentage
travelers
 who went by Change the spelling
travellers
car
 in 1960 was the least popular of the 4. 
 Moving to the details, bus, bike and foot showed similar patterns, with both gradually Use synonyms
decrease
 from 1960 to 2000. Wrong verb form
decreasing
However
, there was Linking Words
slight
 increase from 20% to 25 Add an article
a slight
percent
 between 1960 and 1980, Change the spelling
per cent
then
 sections of the bus in 2000 were about 10% lower. Linking Words
In addition
, Linking Words
foot
 was in the top position in 1960 at nearly 30%, but it considerably dropped from 40% to 10 Add an article
the foot
a foot
percent
 from 1960 to 2000, a fall of about 30% Change the spelling
per cent
for
 40 years. there was Change preposition
over
same
 pattern for Correct article usage
the same
bike
, Fix the agreement mistake
bikes
bike
 became the second lowest percentage for transportation in Fix the agreement mistake
bikes
this
 city.
 Linking Words
On the other hand
, the proportion of people who moved by Linking Words
car
 dramatically incline from just over 5 % to Use synonyms
approximate
 20% between 1960 and 1980, and it was in top 2 position in 1980. Replace the word
approximately
Furthermore
, there was Linking Words
substantial
 rise in the rates of Add an article
a substantial
the 
Correct article usage
apply
car
 users from 1980 to 2000, and it became the most popular transportation.Use synonyms