The line graph below shows changes in the amount and type of junk food consumed by Australian teenagers from 1975 to 2000

The line graph depicts the average

of

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fast food consumption by Australian adolescents from 1975 to 2000, divided into three types of ready-made

meal

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meals

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which are

Pizza

,

Fish

and

Chips

, and

Hamburgers

.

Overall

, from an overview perspective, it can be seen that,

while

pizza

and

hamburgers

followed similar trajectories and dramatically rose,

fish

and

chips

intake among

the

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adolescents fell over the

period

. In 1975, the number of people

ate

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who ate

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fish

and

chips

stood at 100

times

per year, higher than

pizza

and

hamburgers

where both

only

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were only

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below 20

times

eaten per year. After experiencing a decline in 1980 to around 80

times

eaten per year, the amount of

fish

and

chips

intake rose and reached a notable high of 97

times

eaten in 1985. Despite a fluctuation, the consumption rate of

fish

and

chips

steadily dropped and a data point at around 39% to the end of the

period

surveyed.

However

,

pizza

and

hamburgers

showed different

phenomenon

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phenomena

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compared to

fish

and

chips

.

In addition

, the pattern of

pizza

and

hamburgers

ingestion

were

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was

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similar but the consumption rate of

hamburgers

was higher for the majority of the

period

. At the initial point in 1975, adolescents ate

pizza

and

hamburgers

around 8 and 10

times

, respectively. Over the next

period

, there

were

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was

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significant

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a significant

the significant

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increase

of

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in

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pizza

ingestion to a high of 80

times

eaten in 1995, tenfolding the amount in 1975, and remained stable afterwards.

Similarly

, after reaching

a

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the

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highest number at around 100

times

eaten,

intake

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the intake

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rate of

hamburger

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hamburgers

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stayed constant until 2000.