Between 1920 and 2019, the line graphs show how household ownership of various electrical appliances and time spent per week doing housework in the country changed. According to the first graph, the proportion of households that own these devices has increased over time, with every family owning both refrigerators and cleaners by 2019. The most significant change – vacuum overall was observed between 1920 and 1960; whereas the proportion of households with fridges increased markedly from nearly none to 90%, the proportion of households with washers and vacuums increased more- modestly, both reaching 70%. Following that, ownership of refrigerators reached 100 percent in 1980, and ownership of 1960 washing machines followed in 2000. Following that, ownership of 1960 washing machines was acquired. Vacuum cleaner ownership fell to around 65 percent in 1980 before recovering and reaching a high of 75 percent in 2019.
- The graph below gives information about the percentage of people living in Australia who were born in Asia the UK and other regions 67
- The table below shows information about the population of New Zealand from 2011 to 2012 by age group
- The graph below shows the amount of electricity produced from different energy sources to supply the city of New York between 1980 and 2000 67
- The following pie chart shows the comparison of different kinds of energy production in France in two different years
- The graph below gives information from a 2008 report about consumption of energy in the USA since 1980 with projections until 2030 81