Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The two charts illustrate the percentage changes of

households

Use synonyms

owning the 3 home appliances (washing machine, refrigerator, vacuum cleaner) and the number of weekly

hours

Use synonyms

per household spent doing housework in one country from 1920 to 2019. All the 3 categories spread over the domestic

households

Use synonyms

there during the given years. The most dramatic change occurred in refrigerator ownership from 0% of the

households

Use synonyms

in 1920 to 100% of those in 1980. Following

this

Linking Words

, the figure

of

Change preposition

for

show examples

vacuum cleaners steadily increased between 1920 and 2000, with 30% and 100% respectively.

In contrast

Linking Words

, washing machines were owned the most of the three in 1920, increased slightly until 1960, and fluctuated with a narrow range reaching the bottom of the three.

Households

Use synonyms

succeed in reducing the number of

hours

Use synonyms

of housework per week between 1920 to 2019. Until 1960, the figure decreased rapidly from 50

hours

Use synonyms

in 1920 to 20

hours

Use synonyms

in 1960, after which the downwards trend showed down. Overall, from 1920 to 1960, the proportion of

households

Use synonyms

owning the house appliances surged, and the number of

hours

Use synonyms

of housework per week decreased dramatically before the range of both the change unveiled smaller after 1980.