The chart below shows the average cost of monthly contract for four different mobile (cell phones) in a European country from January to September 2002, measured in euro.
The diagram below shows how the Australian Bureau of Meteorology collects up-to-the-minute information on the weather in order to produce reliable forecasts.
The charts below show the changes in ownership of electrical appliances and the amount of time spent doing housework in households in one country between 1920 and 2019.