The line graph provides information about the percentage of households with electrical appliances (washing machine, refrigerator, vacuum cleaner) and number of hours per week during 99 years between 1920 and 2019.
Overall, while the percentage of households significantly increased in three of them. Shows very higher percentage is vacuum cleaner and refrigerator, but washing machine below them. And as for number of hours per week decrease from year to year.
In 1920 percentage of refrigerator was the least, but it is increase from year to year and now shows very highest levels. Vacuum cleaner in 1920 were 30 percentage and in 2019 percentage with refrigerator is same.
Washing machine in 1920 showed the highest percentage, and up until at 1920 to 1960, but in 2019 shows very low percentage. So to speak about number of hours per week in 1920 it showed the elevated level (50). However, over time levels is fall and in 2019 it is visible very low 10 percentage.
