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The following data are real data sets of the "World Bank" and the "Sustainable Development Solutions Network" of the United Nations for the year 2019.

Key indicator	Explanation	Lowest value	Highest value
Broadband subscriptions	Broadband subscriptions are fixed subscriptions (per 100 inhabitants) for internet access via cable modem, DSL, or satellite broadband. It excludes subscriptions that have internet access via mobile networks (e.g., smartphone contracts). The broadband subscriptions (per 100 inhabitants) are normalised to 100. 100 represents the country with the most broadband subscriptions (per 100 inhabitants) and 0 the country with the fewest ones.	0	100
CO2 emissions	Carbon dioxide emissions come from the combustion of fossil fuels. Here, the CO2 emissions are measured in tonnes per capita and normalised to 100. 100 stands for the country with the highest CO2 emissions per capita and 0 for the country with the lowest.	0	100
Happiness index	The happiness index compares the life satisfaction of people in different countries of the world. 100 stands for the country with the highest life satisfaction and 0 for the country with the lowest.	0	100
Life expectancy	Life expectancy indicates how many years a newborn will live on average. Life expectancy is standardised to 100. The highest life expectancy is therefore 100 and the lowest 0.	0	100

Below you can see the key indicators and the GDP per capita for Germany and Bolivia (South America).

Germany
	Key indicator	Value [Min: 0, Max: 100]
	Broadband subscriptions	92
	CO2 emissions	26
	Happiness index	84
	Life expectancy	89
	GDP per capita	71

Bolivia
	Key indicator	Value [Min: 0, Max: 100]
	Broadband subscriptions	14
	CO2 emissions	9
	Happiness index	54
	Life expectancy	57
	GDP per capita	4