The given pie charts compare the expenses in 7 different categories in 1966 and 1996 by American Citizens. Write a report for a university lecturer describing the information below.

Two pie charts illustrate how the expenses of American citizens have changed over the 30-year period.

Overall

Linking Words

, the most noticeable change concerns transportation costs which have needed around half of the consumer's budget by the end of the 20th century.

However

Linking Words

, food expenses markedly reduced,

while

Linking Words

other categories remained almost stable. In detail, if we look at the first diagram, it can be obvious that in 1966 people spent the majority of their budget on food making up 44%.

By contrast

Linking Words

, in the following 30 years,

this

Linking Words

number more than 3 times decreased dropping to 14%. At the same time, the spending on cars significantly increased from 22% to 45%.

Although

Linking Words

people began spending more on transport, fuel expenses slightly fell. As regards the others, it can be highlighted that by 1996 books have comprised only 1% of the budget,

instead

Linking Words

of 6% in 1966,

while

Linking Words

the computer part reached 10% from 1%.