The graph below shows the amount and type of fast food consumed by Australian teenagers from 1975 to 2000.

The line chart illustrates how many

times

Australian teenagers ate three different types of fast food including

pizza

,

fish

and

chips

and

hamburgers

between 1975 and 2000.

Overall

,

it is clear that

the

consumption

of

hamburgers

and

pizza

increased considerably,

whereas

the figure for

fish

and

chips

decreased over the period given. In 1975,

fish

and

chips

were the most popular fast food consumed by Australian teenagers, with 100

times

,

while

much less

pizza

and

hamburgers

were eaten in similar quantities (just less than 20

times

).

However

, during

this

25-year period, the

consumption

of

fish

and

chips

experienced a downward trend, falling dramatically to under 40

times

,

although

it rose between 1980 and 1985.

On the other hand

, the

consumption

of

hamburgers

showed an upward trend, overtaking that of

fish

and

chips

in 1986. By 2000 it had risen significantly to more than 100

times

.

Also

, the

consumption

of

pizza

saw a rising tendency, and it exceeded that of

fish

and

chips

in 1993 before growing to over 80

times

.

Finally

, it remained unchanged in the

last

5 years.