The graph below compares the number of visits to two new music sites on the web.
The plans below show a public park when it first opened in 1920 and the same park today.
The graph below compares the number of visits to two new music sites on the web.
The three pie charts below show the changes in annual spending by local authorities in Someland in 1980, 1990 and 2000.
The graph below shows average carbon dioxide (Co2) emissions per person in the United Kingdom, Sweden, Italy, and Portugal between 1967 and 2007.
The graph below shows how elderly people in the United States spent their free time between 1980 and 2010.
The plans below show the site of mining town in the past and after redevelopment in the present day.
The pie charts below give information about world population in 1900 and 2000.
The bar chart gives information about the number of car journeys into the city centre made by residents and non-residents.