The grap compares the quantityof USA household with selected appliances bettween 1980 and 2005. Generally, the most prefered electronic devices in America was TV sets, whereas the less common ones was central air conditioning. In detail, over two- third household in the USA had TV sets in 1920 and percentage increased each year and takes the lion’s share, at 98%. This is followed by the rate of landline telephones with only 4% in 2005. Similarly, washing machines, fridges were the three most popular appliances. Only 2% American families used computer in1980 but the proportion saw a dramatic rise and reached 90% in 2005. Althought the number of center air conditioning was 7 times higher than that of computers in the first year, it only make up 48% after 25 years. Interestingly, video recorders and mobile telephones was just intruduced in around 1990 with just 5%. However, the figure for those increase quickly and sharkly during 10 years
The
grap
compares the
quantityof
USA household with selected appliances
bettween
1980 and 2005.
Generally
, the most
prefered
electronic devices in America was TV sets, whereas the less common ones was central air conditioning. In detail, over two- third household in the USA had TV sets in 1920 and percentage increased each
year
and takes the lion’s share, at 98%. This
is followed
by the rate of landline telephones with
only
4% in 2005.
Similarly
, washing machines, fridges were the three most popular appliances.
Only
2% American families
used
computer in1980
but
the proportion
saw
a dramatic rise and reached 90% in 2005.
Althought
the number of center air conditioning was 7 times higher than that of computers in the
first
year
, it
only
make
up 48% after 25 years.
Interestingly
, video recorders and mobile telephones was
just
intruduced
in around 1990 with
just
5%.
However
, the figure for those increase
quickly
and
sharkly
during 10 years