The charts below show the percentage of their food budget the average family spent on restaurant meals in different years . The graph shows the average number of meals eaten in fast - food restaurants and sit - down restaurants per family .

The pie charts give information about the comparison of the

food

budget spent on

restaurant

meals

or home cooking over a

period

of 30 years from 1970 to 2000.

Additionally

, the line graph illustrates the average rate of

meals

eaten in fast

food

meals

and sit-down

restaurant

meals

between 1970 and 2000.

Overall

, it can be clearly seen that at the beginning of the

period

, the largest portion of

food

budget expenditure was made by home cooking and it remained unchanged until two decades later,

while

at the end

of the

period

,

this

figure was shared an equilibrium with

restaurant

meals

.

In addition

, Fast

food

and sit-down restaurants showed an upward trend in the total number of

meals

per year. In 1970, the percentage of

food

budget in home cooking and

restaurant

meals

comprised 90% and 10%, respectively. From

this

point onwards, the expense of buying

restaurant

meals

increased regularly to 35% in 1990.

Finally

,

at the end

of the

period

, both figures had similar values at 50%.

On the other hand

, the rate of

meals

consumed for fast

food

meals

and sit-down

restaurant

meals

stood at precisely one-fifth in 1970.

While

the figure for fast

food

experienced a dramatic growth to almost 90 in 2000, the portion for sitdown

restaurant

meals

had a considerable incline to around 50 in 2000.