Agriculture · Land use The pie chart below shows the main reasons why agricultural land becomes less productive. The table shows how these causes affected three regions of the world during the 1990s. Food The line graph illustrates the number of spreads consumed from 1981 to 2007 in grams. Sport The graphs below show the number of medals won by the top five countries in the summer and winter Olympics. Food The table below shows the consumption of three basic foods, rice, wheat and maize, by people in four different countries Population · Age The pie charts below give information on the ages of the populations of Oman and Spain in 2005 and projections for 2055. Gender · Employment · Education The chart below shows the percentage of male and female teachers in six different types of educational setting in the UK in 2010. Schools · Construction The diagrams below show the changes that have taken place at west park Secondary school since its construction in 1950. Trade The chart below gives information about Someland’s main exports in 2005, 2015, and future projections for 2025.