The graph below shows the spending on research into renewable sources of energy in four countries between 1975 and 2000. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The line graph depicts the dollars per person spent on the research for renewable energy in

Switzerland

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,

Denmark

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, Spain and the UK from 1975 and 2000.

Overall

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, It can be seen that the expenditure of Spain and the UK grew gradually

whereas

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it surged dramatically in

Switzerland

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and

Denmark

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. All countries began at zero dollars in 1975, after that

Switzerland

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led the numbers to 2$ per person

while

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other countries reached about $1 in 1980. The amount for

Switzerland

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continued to upward trend until it reached 5$

at the end

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of the given period. Whilst,

Denmark

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remained constant at around over 1$ until 1990 before reaching its peak at 3.5$ in 2000.

On the other hand

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, Spain and the UK faced fluctuations throughout the period and stayed between 0 and 1$ from 1980 to 2000. At

last

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, people in

Switzerland

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and

Denmark

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became the highest in spending money per person on renewable energy.