The bar chart demonstrates approximate oil production volume for some Gulf countries namely Iran, Iraq, Kuwait, Qatar, Saudi Arabia, and UAE in a span of 10 years.
The presented line graph demonstrates the percentage of senior citizens aged 65 in three specific countries, namely Japan, Sweden and the USA, over a period of a century, from 1940 to 2040.
The given line graph illustrates the average salary in Japan between 1970 and 2000, as well as the prices of black-and-white and colour televisions over the same period.
The chart illustrates the percentage of the workforce in agriculture by country (Africa, Asia, South America, Europe, North America) in 1990, 2010 and projected figures for 2030.
The two plans illustrate the layout of a ground floor of a museum in 1990 and how it changed by 2010. Overall, the building became more modern and visitor-friendly over the 20-year period. While some of the existing area
The bar diagrams illustrate the proportion of marriages and divorce rates in the USA, as well as the marital status of American adults, over a thirty-year period from 1970 to 2000.