The line graph illustrates the production of fossil fuels in a European country from 1981 to 2000. Overall, the highest production was Petroleum for 20 years, while coal and natural gas were the two fuels with lower prod
The line graphs illustrate the number of mobile and fixed phone line subscribers (per hundred people) in Eritrea, India, the UK and Uruguay from 2005 to 2015.
The line graph shows the percentage changes in price of the three types of metals in 2014. Overall, those three categories are nickel, zinc and copper, and the most volatile one is nickel through this year.
The line graph illustrates the percentage of the elderly population who aged 65 and over from 1940 to 2040 in three countries, Japan, Sweden and the USA.
This line graph illustrates the percentage of households in a European country, and this graph focuses on 3 essential items, washing machines, refrigerators and vacuum cleaners.
This graph illustrates the number of international students in Australia, Canada and the United Kingdom through the first two decades of the Millennium.
The line graph presents the total total of excursionists between 2010 and 2017. With data is divided into those staying on sailing ships, those staying on the isle, and the total count of invitees.